Emmanuel works as a consultant and also serves as Director of the Wescustogo Foundation, through which he has supported Riverkeeper since 2017. He is a board member of National Sawdust in Williamsburg, Brooklyn, and a Leadership Council member of The Nature Conservancy. His prior roles included serving as U.S. Manager for Medici.tv, an international webcasting company, and as Opening Director for the Green Music Center in California (with board chairman Sanford Weill).

In addition, Emmanuel previously served as the cultural affairs attaché and Director of the music-entertainment office for the French Embassy to the U.S. in both New York and Washington D.C. He co-founded and was Program Director for the French-American Cultural Exchange Foundation in New York, and served as a Director at two art centers in Paris. He studied at Sorbonne University in Paris, and at Blaise Pascal University in the French city of Clermont-Ferrand.

Emmanuel enjoys swimming, sailing, scuba diving, and skiing, and practiced equestrian jumping at the professional level through age 22. He, his wife Kathryn, and his two children are citizens of both France and the U.S.