Frederic Benhaim, a self-proclaimed “eco-nerd,” speaks to John and Mike from Paris. Benhaim co-founded the nonprofit company Entreprendre Vert, a 250-member green entrepreneur organization. Frederic Benhaim, a self-proclaimed “eco-nerd,” speaks to John and Mike from Paris. Benhaim co-founded the nonprofit company Entreprendre Vert, a 250-member green entrepreneur organization.