About GAP Team Trustees Marc Zornes Marc is a former McKinsey Engagement Manager where was a leader in the consumer and sustainability practices. While at McKinsey, Marc co-authored the McKinsey Global Institute report "Resource Revolution: Meeting the World's Energy, Materials, Food, and Water Needs." Prior to McKinsey, Marc worked for the US Green Building Council and C&S Wholesale Grocers - the largest food wholesaler in the United State. Marc ran his own business while studying in University and helped to found Sefaira, a company who produces cloud-based energy efficiency software to help architects design high performing buildings. Marc has an MBA with Distinction from INSEAD and a Bachelors of Business Administration from Washington University in St. Louis.