Stéphane is Impact Infrastructure’s Consulting Practice Leader. His clients have ranged from federal departments such as the Department of Defense and National Renewable Energy Lab, to local organizations such as Capital Metro in Austin and City and County of Honolulu, to corporations like Pratt & Whitney and BNSF Railroad. He brings a 20 year background as an internationally recognized professional in triple–bottom line analysis and established himself as a thought leader in this space, speaking at conferences such as the; American Public Works Association, US Green Building Council, Harvard Graduate School of Design, Transportation Research Board, Canadian Society of Value Analysis, American Planning Association, and teaching Masters level workshops at Columbia University.