Gregory Ryan

Gregory Ryan is a retired Manager of Environmental Sustainability and Climate Change at DTE Energy, where they developed climate policy strategies and compliance programs from 1996 to 2017. They currently lead DTE Energy's environmental sustainability strategy and support climate change initiatives, having co-led the Corporate Citizenship report team and managed the Environmental Performance Management group since 2017. Gregory has extensive experience in environmental engineering, starting their career at Eisenmann Corporation and later managing remediation projects at Woodward-Clyde Consultants. They hold a Master’s degree in Environmental Engineering from Northwestern University and a Bachelor’s degree in Geology from Cornell University.