{"id":60,"date":"2024-03-12T11:26:15","date_gmt":"2024-03-12T15:26:15","guid":{"rendered":"https:\/\/carleton.ca\/canch4\/?page_id=60"},"modified":"2026-05-15T08:32:01","modified_gmt":"2026-05-15T12:32:01","slug":"speakers","status":"publish","type":"page","link":"https:\/\/carleton.ca\/canch4\/speakers\/","title":{"rendered":"Speakers"},"content":{"rendered":"

2026 CanCH4 Symposium Speakers<\/strong><\/h2>\n

While we finalize the full speaker line-up, please welcome some of our confirmed 2026 speakers.<\/h4>\n

<\/p>\n

\"\"Frank Des Rosiers – Symposium Opening
\nAssistant Deputy Minister, Energy Efficiency and Technology Sector <\/strong><\/p>\n

Frank Des Rosiers is Assistant Deputy Minister (ADM) for Energy Efficiency and Technology Sector (EETS) at Natural Resources Canada (NRCan). Prior to this, he served as ADM, Strategic Policy and Innovation as well as ADM for Innovation and Energy Technology sector.
\nHe also served as General Director, Tax Policy at Finance Canada and as Assistant Secretary, Priorities and Planning at the Treasury Board Secretariat. Frank worked as Director General, Strategic Policy Branch at NRCan and at the Privy Council Office (Intergovernmental Affairs at) as Chief of Staff to the Deputy Minister and Director, Economic and Fiscal Analysis. Frank holds a BA in Economics from Universit\u00e9 Laval, an MA in Economics from Universit\u00e9 de Montr\u00e9al and a Masters of Public Administration from Harvard University (Fulbright Scholar).<\/p>\n

\n

\"\"Euan Nisbet – Keynote Speaker
\nScientific Advisory Panel, United Nations Environmental Programme’s International Methane Emissions Observatory (UNEP IMEO) <\/strong><\/p>\n

Dr. Euan Nisbet is Emeritus Professor of Earth Sciences at Royal Holloway, University of London, and an Honorary Fellow of Darwin College, Cambridge, UK. He studied at the University of Zimbabwe and at Cambridge, where he also completed his PhD in geology. Following postdoctoral work at the University of Oxford and ETH Zurich, he joined as the faculty at Cambridge. He later spent many years in Saskatoon as a member of the Earth Sciences Department at the University of Saskatchewan, honouring his prairie ancestry. During this time, he collaborated with his wife, C.M.R. Fowler, a solid Earth geophysicist closely involved in the Lithoprobe experiments investigating the structure of Canada\u2019s lithosphere. Together, they modelled the history of the Williston Basin. He also chaired the Canadian Lithosphere Committee for many years and advised the government on natural hazards. From 1985 to 1987, he held an E.W.R. Steacie Fellowship, which marked his transition from hard rock geology to the study of atmospheric methane. At Royal Holloway, University of London, he led or co-led numerous major European research consortia, including Meth-MoniEUr, the West European Methane Budget, EuroHydros, Geomon, MEMO, and, from 2016 to 2022, the UK MOYA Global Methane consortium. Since his recent retirement, Dr. Nisbet has continued to contribute to the field as a member of the Scientific Advisory Panel for the United Nations\u2019 International Methane Emissions Observatory. He was also a co-author of the 2025 UNEP Global Methane Status Report.<\/p>\n

\n

\"\"Felipe Poblete – Keynote Speaker
\nImplementaSur <\/strong><\/p>\n

Felipe Poblete is a Civil Industrial Engineer specializing in waste management and project development. He holds a Master’s Degree in Public Policy from the Pontificia Universidad Cat\u00f3lica de Chile and a B.A. in Civil Industrial Engineering from the same University. Felipe has worked since 2022 in the Recycle Organics Program, focusing on accelerating the implementation of methane initiatives across Latin America and the Caribbean. He was the technical coordinator of the Recycle Organics Program in SIDS between 2024 and 2026, leading the work of the program in six countries across the Caribbean and the Pacific, founded by Environment and Climate Change Canada.<\/p>\n

<\/div>\n

\"\"Anna Hodshire \u2013 Symposium Moderator
\nEnergy Institute, Colorado State University <\/strong><\/p>\n

Dr. Anna Hodshire is an Assistant Professor in the Systems Engineering Department at Colorado State University. She leads the modeling group at the Methane Emissions Technologies Evaluation Center (METEC), currently focused on developing verifiable measurement-informed inventories and working on top down\/bottom up reconciliation. As a part of this work, she leads field campaigns and intensive modeling efforts for top down\/bottom down surveys and basin-wide surveys of oil and gas emissions of methane. Her research interests are broadly on pollution emission and dispersion, air quality, climate change, and the intersection of planetary health among all these topics. Prior to joining METEC, Hodshire worked at small companies focused on measuring properties of atmospheric aerosols for health and climate applications. Hodshire holds a Ph.D. and M.S. in Atmospheric Science from Colorado State University.<\/p>\n

<\/div>\n

\"\"Cole Van De Ven \u2013 Symposium Moderator
\nCarleton University <\/strong><\/p>\n

Prof. Cole Van De Ven\u00a0is an Assistant Professor in the Department of Civil and Environmental Engineering at Carleton University\u00a0and an emerging leader in environmental engineering research. Cole\u2019s research group works with industry and government, with specific focus on quantifying and reducing geo-environmental greenhouse gas (GHG) emissions and impacts from both the waste and energy sector. Cole is currently leading projects aimed to test methodologies to estimate methane emissions and methane hotspots from landfills using ground-based approaches, UAVs, and geophysical techniques. \u00a0In addition, Cole\u2019s team is working to develop mitigation strategies and numerical models to reduce landfill emissions using engineered systems (e.g., bio-based cover systems). \u00a0Cole\u2019s research has\/is also assessing the effectiveness of a variety of techniques to detect and monitor GHGs generated and released from the shallow soils within the energy sector including energy development and storage wells, geological carbon sequestration sites, and geological hydrogen storage sites. \u00a0This includes the use of soil gas wells, soil flux measurements, and comparisons of flux chamber techniques to Eddy Covariance measurements at the land-atmosphere boundary.<\/p>\n

<\/div>\n

\"\"Wameed Alghazali
\nUniversit\u00e9 de Sherbrooke <\/strong><\/p>\n

Dr. Wameed Alghazali is an NSERC Postdoctoral Fellow in the Department of Civil and Building Engineering at Universit\u00e9 de Sherbrooke and a former Research Associate in the Geo-Environmental Gas and Contaminant Lab at Carleton University. His research focuses on coupled processes in natural and engineered subsurface systems, with direct application to cold-region landfills and methane mitigation systems. He develops advanced process-based numerical models to simulate processes such as heat transfer, two-phase advective flow, multicomponent gas diffusion, biogeochemical reactions, mechanical deformation, and biodegradation-induced settlement. His work supports the evaluation of landfill methane mitigation strategies, settlement behaviour, and temperature evolution under cold-climate conditions.<\/p>\n

<\/div>\n

\"\"Alberto Alva
\nProcess Ecology <\/strong><\/p>\n

Dr. Alva leads the Business Development and Engineering Software practice as well as customer support for Process Ecology\u2019s Emissions Management Systems since 2003. His background in the development and application of computer simulation, statistical and optimization models with particular emphasis on process optimization for water management, energy efficiency and emissions reduction from the oil & gas sector is backed by academic credentials including a Biochemical Engineering degree from the UAMI-Mexico City, an MBA from the Monterrey Institute of Technology (ITESM) as well as a Ph.D. in Chemical Engineering from The University of Manchester Institute of Science and Technology (UMIST), UK. With over 30 years of experience in chemical engineering research and process optimization for sustainability, and having worked across multiple sectors to assist companies become more resource- efficient and to develop cost-effective strategies to reduce greenhouse gas emissions. Alberto has specialized in modeling and optimization for emissions reduction in the oil & gas sector and has led the development of modern web-based air emissions reporting, optimization and management software for companies in the oil & gas sector that are currently in use by several government agencies and over 60 oil & gas producers in Canada.<\/p>\n

<\/div>\n

\"\"Sabour Baray
\nEnvironment and Climate Change Canada <\/strong><\/p>\n

Dr. Sabour Baray is a scientist with the Earth System Research and Integration Division. His research expertise includes greenhouse gas monitoring, satellite remote sensing, field measurements, and atmospheric modeling.<\/p>\n

<\/div>\n

\"\"Stefan Bok\u00e4mper
\nKuva Systems
\n<\/strong><\/p>\n

Dr. Stefan Bokaemper is General Manager for the Kuva Business at Sensirion Connected Solutions in Cambridge, MA, USA. He has 25 years of experience at both industrial companies and startups in the energy and high tech sectors. Stefan holds an MSc. in Energy Engineering from TU Clausthal, an MBA from George Washington University, and a PhD from TU Berlin.<\/p>\n

<\/div>\n

\"\"Noah Boss
\nUniversity of Waterloo
\n<\/strong><\/p>\n

Noah Boss is a Ph.D. student in Geography at the University of Waterloo under the supervision of Dr. Maria Strack, with co-supervision from Dr. Ian Strachan at Queen\u2019s University. He previously earned a Master of Climate Change from the University of Waterloo and a B.Sc. in Geoscience from Florida Atlantic University. His doctoral research examines how climate change affects greenhouse gas exchange in peatland ecosystems. By integrating field-based measurements with process-based and statistical modeling approaches, his work aims to improve understanding of how changing environmental conditions influence peatland greenhouse gas dynamics and their broader climate impacts.<\/p>\n

<\/div>\n

\"\"Lauren Bowman
\nModern West Advisory (MWA)
\n<\/strong><\/p>\n

Lauren Bowman is an LCA and Emissions Advisor at Modern West Advisory (MWA), specializing in GHG quantification, carbon offset project development and applied research supporting methane emissions detection, measurement, and quantification for oil and gas operations. Her work includes contributing to the research and design of Measurement, Reporting and Verification (MRV) frameworks, as well as leading methane field measurement and technology trials in Alberta using a range of technologies, including optical gas imaging, acoustics, LiDAR cameras, and aerial measurement approaches.\u00a0Before joining MWA in 2023, Lauren conducted research as an M.Sc. Civil Engineering student at the Subsurface Hydrology and Environmental Analysis Laboratory (SHEAL) at McGill University, where she led a multi-year project conducting field measurements and characterizing methane emissions from non-producing oil and gas wells across Alberta and Saskatchewan. She also holds a B. Eng. Civil Engineering degree from McGill University.<\/p>\n

<\/div>\n

\"\"Trevor Coates
\nAgriculture and Agri\u2011Food Canada
\n<\/strong>
\nTrevor Coates is a Research Scientist with Agriculture and Agri\u2011Food Canada\u2019s Lethbridge Research and Development Centre, specializing in air quality and greenhouse gas measurement in agriculture. He completed his PhD at the University of Melbourne using micrometeorological approaches to quantify methane emissions from grazing cattle. His research focuses on applying advanced field\u2011scale measurement technologies to improve greenhouse gas emission estimates and inform mitigation in agricultural systems.<\/p>\n

<\/div>\n

\"\"Roisin Commane
\nColumbia University
\n<\/strong>
\nDr. Roisin Commane is an Associate Professor in Earth & Environmental Sciences at Columbia University in New York City and the Lamont-Doherty Earth Observatory. She measures atmospheric trace gases from aircraft, towers, drones and a mobile lab to quantify rates of gas emissions from both natural and human sources, in cities and in remote areas. She runs a network of methane observation sites around New York City with funding from New York State Energy Research and Development Authority (NYSERDA). She uses multi-gas species analysis to identify previously unidentified sources of methane and other forms of air pollution to develop pathways to reduce these emissions in NYC.<\/p>\n

<\/div>\n

\"\"Bradley Conrad
\nCarbon Mapper<\/strong>
\nDr. Bradley Conrad is a Methane Research Scientist at Carbon Mapper. His current research focus is the development of methods to infer country-, basin-, and operator-level insights into methane super-emissions and flaring activity from remote sensing data, including the integration of multi-scale observations from diverse instruments. Prior to joining Carbon Mapper, Bradley received his B.Eng. and Ph.D. from Carleton University. His graduate and postdoctoral work as a member of the Energy and Emissions Research Laboratory included the measurement of black carbon emissions from gas flares and the creation of measurement-based methane inventories for Western Canada\u2019s oil and gas sector.<\/p>\n

<\/div>\n

\"\"William Daniels
\nJohns Hopkins University
\n<\/strong>
\nDr. William Daniels is a postdoctoral fellow in the Department of Environmental Health and Engineering at Johns Hopkins University studying anthropogenic greenhouse gas emissions and the carbon cycle. He uses atmospheric measurements across spatial scales, from point sensors on individual facilities to satellites with global coverage, along with statistical models to better understand complex emission dynamics. Will received a Ph.D. in Statistics from the Colorado School of Mines, where he worked closely with the Energy Emissions Modeling and Data Lab (EEMDL) and the Payne Institute for Public Policy. He is currently a member of the NASA OCO-2 science team.<\/p>\n

<\/div>\n

\"\"Kyle Daun
\nUniversity of Waterloo
\n<\/strong>
\nDr. Kyle Daun is a Professor in Mechanical and Mechatronics Engineering at the University of Waterloo. His main research interests are heat conduction from aerosolized nanoparticles, laser-based combustion tomography, heat treatment in materials processing, and optimal design of industrial combustion devices. Professor Daun\u2019s research group studies inverse problems that arise in combustion and heat transfer, including laser-based nanoparticle metrology, optical tomography, and design optimization of combustion devices and industrial furnaces.<\/p>\n

<\/div>\n

\"\"Scott J. Davidson
\nUniversit\u00e9 du Qu\u00e9bec \u00e0 Montr\u00e9al (UQAM)
\n<\/strong>
\nDr. Scott J. Davidson is an Assistant Professor in Wetland Carbon Dynamics and co-holder of the CARCLIQUE Research Chair focused on wetlands in Qu\u00e9bec as nature-based climate solutions. His research is focused on the resilience of peatland and wetland ecosystems to both climate change and disturbance regimes. He combines field research, laboratory analysis, remote sensing and modelling approaches to better constrain spatio-temporal carbon dynamics of wetland ecosystems. He is co-lead of the CanFlux network.<\/p>\n

<\/div>\n

\"\"Evan Dodd
\nUniversity of Waterloo
\n<\/strong>
\nEvan Dodd is a Ph.D. student in Mechanical and Mechatronics Engineering at the University of Waterloo, Canada. Evan is a part of Professor Kyle Daun\u2019s Waterloo Laboratory for Inverse and Thermal problems (WatLIT), and his research is focused on ground based methane measurement techniques, including mobile sensing technologies, where he currently focuses on detecting and quantifying methane emissions while completing rigorous quantification of model uncertainties to lead to better emission estimates.<\/p>\n

<\/div>\n

\"\"Chris Donahue
\nBridger Photonics, Inc.
\n<\/strong>
\nDr. Christopher Donahue is Director of Analytics at Bridger Photonics, where he leads the Emissions Analytics team. He develops measurement-based methane inventories for operator reporting and supports large-scale measurement campaigns used to produce basin-wide inventories. His work draws on expertise in methane emissions remote sensing, measurement method development and characterization, and uncertainty analysis. Prior to joining Bridger, he worked as a wireline field engineer at Schlumberger and as a postdoctoral researcher at the University of Northern British Columbia, where he applied airborne hyperspectral and LiDAR remote sensing to glacier mapping. He holds a Ph.D. in Mechanical Engineering from Montana State University.<\/p>\n

<\/div>\n

\"\"<\/strong>Sue Fraser<\/b>
\nEnvironment and Climate Change Canada<\/strong><\/p>\n

Sue Fraser is an engineer in the Waste Reduction and Management Division at Environment and Climate Change Canada.<\/p>\n

<\/div>\n

\"\"<\/strong>Christine Gerbode<\/b>
\nEnvironmental Defense Fund<\/strong><\/p>\n

Christine is a manager on EDF\u2019s Economics team. Her work includes research and advocacy to support the design and implementation of effective incentives for oil and gas methane emissions reductions, as well as high-integrity emissions markets. Prior to joining EDF, she held diverse roles at the intersection of science, environmental regulation, and communication. She is a graduate of the environmental management program at Duke University with a focus on economics, policy, and environmental health; she also holds a B.S. in geochemistry from Rice University.<\/p>\n

<\/div>\n

\"\"Yori Jamin
\nPETRONAS Canada<\/strong><\/p>\n

Mr. Jamin is a senior engineer and specialist in air and climate change strategy at PETRONAS Canada. He is a passionate advocate for environmental solutions and currently focused on mitigating fugitive, venting and flaring emissions from upstream natural gas assets. He leverages techno-economic data and operational synergies to create business cases for emission reduction projects. Other responsibilities include measurement, monitoring, reporting, and verification (MMRV) activities. Mr. Jamin holds bachelor and master degrees in mechanical engineering from the University of Calgary and has over 20 years of experience in the energy industry.<\/p>\n

<\/div>\n

\"\"Matthew Johnson
\nEnergy & Emissions Research Lab., Carleton University<\/strong><\/p>\n

Dr. Matthew Johnson is a Professor of Mechanical and Aerospace Engineering at Carleton University in Ottawa, Canada, and Scientific Director of the Energy & Emissions Research Laboratory (EERL). A two-time winner of the Natural Sciences and Engineering Research Council\u2019s (NSERC) prestigious accelerator award, Matt has worked extensively to translate peer-reviewed research results into practice. His EERL combines advanced experimentation, simulation, and statistical analysis in both large-scale controlled lab experiments and field work and employs a suite of advanced optical diagnostics, analytic tools, and experimental capabilities this is unparalleled in Canada. As of 2023, EERL has successfully completed field measurement studies on four continents with research contributions that include national-scale aerial methane surveys, comprehensive protocols for creating measurement-based inventories, novel \u201cVentX\u201d technology for quantifying unsteady methane flows, \u201csky-LOSA\u201d technology for measuring black carbon emissions from flares, techno-economic analysis of methane mitigation potential, and quantitative analysis of regulatory equivalency. His work is cited in Canada\u2019s National Inventory Report, incorporated in provincial and federal standards and regulations, and regularly cited in international methane and black carbon mitigation efforts.<\/p>\n

<\/div>\n

\"\"Mary Kang
\nMcGill University
\n<\/strong><\/p>\n

Dr. Mary Kang is an associate professor in the Department of Civil Engineering at McGill University. Her laboratory at McGill (Subsurface Hydrology and Environmental Analysis Laboratory, SHEAL) studies energy transition, climate and environmental impacts of energy systems, and subsurface hydrology. Her current projects are on characterization and mitigation of methane emissions from oil and gas wells and urban infrastructure with field measurement campaigns in North America (Canada and United States), Europe, and South America. From 2024 to 2025, she was a visiting professor in Environmental Meteorology at the University of Freiburg and in Environmental Sensing and Modeling at the Technical University of Munich. Previously, she was a postdoctoral fellow in the Earth System Science department at Stanford University. She received a Ph.D. in Civil and Environmental Engineering from Princeton University, a Science, Technology, and Environmental Policy certificate from the Princeton School of Public and International Affairs, and a M.A.Sc. and a B.A.Sc. in Civil Engineering from the University of Waterloo. Between her time at Waterloo and Princeton, she worked as an environmental engineering consultant based in Reston, Virginia.<\/p>\n

<\/div>\n

\"\"Milos Krnjaja
\nAlberta Energy Regulator
\n<\/strong><\/p>\n

Milos Krnjaja, a Professional Engineer (P.Eng), boasts over 25 years of experience in the oil and gas sector. He has worked on assets across Canada for various companies and is currently employed by the Alberta Energy Regulator, where he focuses on air emissions and methane regulations. Milos played a key role in shaping Alberta\u2019s 45% reduction in methane emissions from the 2014 baseline. His current areas of focus include fugitive emissions management, alternative approaches to emission detection, compressor seals, flaring and mitigating methane slip from engines. Milos holds a chemical engineering degree from the University of Calgary and has over 20 years to evaluating energy usage and identifying opportunities for air emission reductions in oil and gas operations. He has successfully executed numerous emission reduction projects from conception to implementation.<\/p>\n

<\/div>\n

\"\"Robyn Latimer
\nFluxLab, Memorial University <\/strong><\/p>\n

Robyn Latimer is a Ph.D. student in Oil and Gas Engineering at Memorial University, supervised by Dr. Dave Risk of FluxLab. Her research focuses on vehicle-based methods to measure and characterize methane emissions from the upstream oil and gas industry, from facility to regional scales. Prior to joining FluxLab, Robyn completed an M.Sc. in Physics and Atmospheric Science at Dalhousie University and a B.Sc. in Physics at St. Francis Xavier University.<\/p>\n

<\/div>\n

\"\"Joseph Mendonca
\nEnvironment and Climate Change Canada <\/strong><\/p>\n

Dr. Joseph Mendonca is a physical scientist working at Environment and Climate Change Canada. He has a Ph.D. from the department of Physics at the University of Toronto. The focus of his research is the use of remote sensing measurements of greenhouse gases to study the carbon cycle.<\/p>\n

<\/div>\n

\"\"Michael Moy
\nMethane Emissions Technology Evaluation Center (METEC), Colorado State University <\/strong><\/p>\n

Dr. Michael Moy works as a Research Scientist for the Methane Emissions Technology Evaluation Center (METEC) at Colorado State University. With a focus on mathematical modeling, his research areas include short-range dispersion modeling and data analysis techniques for estimating regional methane emissions. Michael did his PhD and MS in Mathematics at Colorado State University, where his research was in topological data analysis. During the summers of his graduate program, he worked as an intern at the NASA Glenn Research Center. He previously earned his BS in Applied Mathematics from the University of Colorado at Boulder and also holds a bachelor’s and a master’s degree in music.<\/p>\n

<\/div>\n

\"\"Ray Nassar
\nEnvironment and Climate Change Canada (ECCC) <\/strong><\/p>\n

Dr. Ray Nassar completed his Ph.D. at the University of Waterloo in atmospheric chemistry using satellite observations and then went on to do postdoctoral fellowships at Harvard University and the University of Toronto. Dr. Nassar has been a research scientist at Environment and Climate Change Canada (ECCC) since 2010 and an adjunct faculty member of University of Toronto since 2019. His research involves the application of satellite observations of CO2 and CH4 to quantify sources and sinks. He is also the principal investigator of the Arctic Observing Mission (AOM), an innovative Canadian-led mission concept for enhanced observations of the North.<\/p>\n

<\/div>\n

\"\"Negar Nazari
\nCarbon Management Canada<\/strong><\/p>\n

Dr. Negar Nazari is a senior scientist specializing in methane detection, quantification, and data-driven emissions management. She holds a PhD in Geoscience and has extensive experience in numerical modeling, environmental monitoring, and statistical analysis, with work spanning academia, oil and gas, and climate-focused research programs. She currently contributes to the Alberta Methane Emissions Program, focusing on technology performance evaluation, data analytics, and regulatory insights. Negar is passionate about advancing science-based solutions for emissions reduction and actively collaborates with industry and research partners.<\/p>\n

<\/div>\n

\"\"Athar Omidi
\nFluxLab, St. Francis Xavier University<\/strong><\/p>\n

Athar Omidi is a Research Associate at FluxLab specializing in landfill methane emissions. With a background in Computer Science and Applied Mathematics, she applies optimization, statistics, machine learning, Gaussian dispersion modeling, and triangulation to analyze and map emissions. Her work focuses on surface emission monitoring (SEM) and mobile surveys of landfills, with research contributions related to active face emissions, regulatory gaps, and source apportionment.<\/p>\n

<\/div>\n

\"\"Keyvan Ranjbar
\nNational Research Council Canada
\n<\/strong><\/p>\n

Dr. Keyvan Ranjbar has expertise in airborne atmospheric measurements, sensors and data analysis. Dr. Ranjbar is currently a research officer at the NRC. He obtained his Ph.D degree in atmospheric remote sensing in 2020 from Sherbrooke University. His general research focus is the analysis of airborne, satellite and ground-based Remote Sensing and in-situ data to better understand the aerosol, cloud, and their interactions. He has extensive fieldwork experience. Since joining the NRC in 2021, Dr. Ranjbar has participated in several airborne campaigns, and recently, he was the NRC project Manager for the ESCAPE 2022 and Montreal-GHG airborne campaign. Dr. Ranjbar is experienced with gas and aerosol sampling.<\/p>\n

<\/div>\n

\"\"Arvind Ravikumar
\nCenter for Energy and Environmental Systems Analyses (CEESA)<\/span>, University of Texas at Austin
\n<\/strong><\/p>\n

Dr. Arvind Ravikumar is the Frank W. Jessen Centennial Fellow in Petroleum Engineering and the co-Director of the Center for Energy and Environmental Systems Analyses (CEESA) at the University of Texas at Austin. He has published over 50 articles in peer-reviewed journals, primarily in the areas of greenhouse gas emissions measurements and supply chain lifecycle assessments. Dr. Ravikumar has been a lead investigator for several large-scale, field campaigns in the US on methane emissions from oil and gas supply chain. Dr. Ravikumar graduated with a Ph.D. from Princeton University<\/span>.<\/p>\n

<\/div>\n

\"\"David Risk
\nFluxLab, St. Francis Xavier University<\/strong><\/p>\n

Dr. Dave Risk is the Brian Mulroney Institute for Government Research Chair in Climate Science and Policy at St. Francis Xavier University (StFX). He is a specialist in gas emissions measurement and data processing techniques to quantify emissions in natural and industrial settings. Dr. Risk is a prominent figure in the field of environmental science, research, regulation, and policy. His research focuses on developing innovative sensing technologies to monitor greenhouse gases, track environmental changes, and to understand the impact of industrial activities. Dr. Risk is also involved in developing data analysis techniques and mathematical models to interpret the large datasets generated by his sensor networks and provide meaningful insights into environmental patterns and trends. He has been involved in numerous collaborative research projects, both nationally and internationally. He has collaborated with other researchers, government agencies, and organizations to address pressing environmental issues and advance the field of environmental monitoring.<\/p>\n

<\/div>\n

\"\"Tecle Rufael
\nSLR International <\/strong><\/p>\n

Dr. Tecle Rufael is a Senior Principal Scientist at SLR (Houston, Texas) primarily consulting in methane emissions measurement and mitigation strategies for the energy sector. His expertise centers on identifying emerging technologies and practical solutions that integrate bottom-up engineering methods with top-down measurement-based approaches to improve emissions characterization and mitigation efforts across scales. He has led and supported major methane initiatives, including development of GTI Energy\u2019s Veritas protocols, Cheniere\u2019s QMRV framework, the Appalachian Methane Initiative, and the Canadian Gas Association emissions intensity study. Prior to joining SLR in 2021, Dr. Rufael spent 23 years at Chevron as a Senior Scientist and GHG Program Manager, advancing emissions mitigation and low-carbon technologies across the oil and gas value chain, and led industry peers in the creation of Collaboratory to Advance Methane Science (CAMS). He holds a Ph.D. in Physical Chemistry from the University of Michigan and a postdoctoral research fellowship from Harvard University.<\/p>\n

<\/div>\n

\"\"Scott Seymour
\nEnvironmental Defense Fund <\/strong><\/p>\n

Scott Seymour is a senior research analyst at the Environmental Defense Fund, where he leads methane and flare measurement projects, as well as inventory and policy analyses in Canada. He has over eight years of experience in the oil and gas methane space, including designing and deploying laser-based gas detection systems, coordinating field campaigns, and evaluating regulatory\/industry datasets. His current work focuses on improving methane and flare quantification methods and supporting science-based methane policy.<\/p>\n

<\/div>\n

\"\"Nathan Sweet
\nUniversity of Colorado, Boulder <\/strong><\/p>\n

Nathan Sweet is a PhD student at University of Colorado, Boulder, and he works at the National Institute of Standards and Technology.\u00a0 His research focuses on a new laser-based technique for quantifying methane emissions from cattle feedlots. Nathan is interested in the intersection of science and policy as it applies to both climate change and air quality. He holds a BS in Chemistry and a BA in Statistics from University of California, Berkeley.<\/p>\n

<\/div>\n

\"\"Mu-An Tsai
\nUniversity\u00a0of Waterloo <\/strong><\/p>\n

Mu-An is a Ph.D. candidate in Mechanical and Mechatronics Engineering at the University of Waterloo. His research focuses on developing and applying ground-based remote sensing techniques to monitor methane in the environment. In particular, he focuses on methane from diffuse sources such as landfills, utilizing hyperspectral imaging<\/span>.<\/p>\n

<\/div>\n

\"\"Nadia Tarakki
\nFluxLab, St. Francis Xavier University <\/strong><\/p>\n

Dr. Nadia Tarakki is an environmental scientist with ten years of experience in greenhouse gas measurement and monitoring across landfill systems, oil and gas, and carbon capture and storage (CCS). Her interdisciplinary background spans geology, mining and geological engineering, and earth and environmental sciences, including early work on coal mine structure and excavation methods in Bangladesh. She completed a Master\u2019s degree focused on near-surface soil gas monitoring and verification at the Aquistore CCS project in Canada, followed by a PhD in chemistry and biochemistry, where she developed integrated geochemical and microbial approaches to investigate gas migration from oil and gas systems for detection, regulatory reporting, and mitigation. In her current postdoctoral role, she has contributed to measurement-informed methane inventory frameworks by integrating multi-technology datasets aligned with OGMP 2.0. Her current work focuses on leading the SIMFLEX-LF project, the world\u2019s first large-scale controlled-release landfill experiment evaluating methane measurement technologies under real-world conditions.<\/p>\n

<\/div>\n

\"\"David Tyner
\nEnergy & Emissions Research Lab., Carleton University <\/strong><\/p>\n

Dr. David R. Tyner is a Senior Research Associate in the Energy and Emissions Research Laboratory (EERL) at Carleton University with over a decade of experience working to quantify and provide insight into methane emissions from upstream oil and gas production in Western Canada. Before joining EERL, Dr. Tyner completed a Ph.D. in Mathematics and Engineering at Queen\u2019s University in Kingston Ontario in 2007. As part of EERL, Dr. Tyner\u2019s research, in collaboration with governmental and industry partners, has been focused on understanding methane emissions at the source-level. This research has contributed to numerous peer-reviewed journal articles on economic methane mitigation, methane regulatory equivalency, development of laser-based measurement tools for liquid storage tanks and venting sources, and more recently measurement-based provincial methane inventories using large scale aerial surveys.<\/p>\n

<\/div>\n

\"\"Joelle Uribe
\nSouthern Methodist University <\/strong><\/p>\n

Joelle Uribe is a Ph.D. candidate in Civil and Environmental Engineering at Southern Methodist University in Dallas, TX. Joelle is a member of Dr. Kathleen Smit\u2019s research group, and her specific research focus is on quantifying the size of natural gas leaks from belowground pipelines exploring a variety of measurement and quantification techniques.<\/p>\n

<\/div>\n

\"\"Shona Wilde
\nEnergy & Emissions Research Lab., Carleton University<\/strong><\/p>\n

Dr. Shona Wilde is a Postdoctoral Researcher at the Energy and Emissions Research Laboratory (EERL). Following her PhD in the UK, which focused on quantifying emissions of methane (CH\u2084) and volatile organic compounds (VOCs) from offshore oil and gas installations, her current work at EERL focuses on developing measurement-based protocols to derive verified emission intensities within the context of reporting frameworks such as OGMP 2.0.<\/p>\n

<\/div>\n

\"\"Minxuan Wang
\nCarleton University <\/strong>
\nMinxuan Wang is a PhD candidate in Environmental Engineering at Carleton University. Her research focuses on methane mitigation in landfill systems through microbial methane oxidation, with particular interest in the use of waste-derived compost materials as sustainable biocover media. Her work combines laboratory-scale characterization and pilot-scale field studies to investigate the interactions among gas transport, moisture dynamics, and microbial activity that control methane removal performance. Minxuan is passionate about developing practical and science-based solutions to reduce greenhouse gas emissions from waste management systems.<\/p>\n

\n

\"\"Yuwei Zhao
\nColumbia University <\/strong>
\nYuwei Zhao is a PhD candidate in the Department of Earth and Environmental Sciences at Columbia University in New York City and the Lamont-Doherty Earth Observatory. As a member of Dr. Roisin Commane’s research group, Yuwei focuses on quantifying long-term urban methane emissions and attributing their sources using multi-trace gas and isotopic measurements combined with atmospheric transport models.<\/p>\n

\n
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2026 CanCH4 Symposium Speakers While we finalize the full speaker line-up, please welcome some of our confirmed 2026 speakers. Frank Des Rosiers – Symposium Opening Assistant Deputy Minister, Energy Efficiency and Technology Sector Frank Des Rosiers is Assistant Deputy Minister (ADM) for Energy Efficiency and Technology Sector (EETS) at Natural Resources Canada (NRCan). 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