Seth M. Siegel (born 1953) is an American businessman, writer, and activist. He is the author of the 2015 New York Times Best Seller, Let There Be Water: Israel’s Solution for a Water-Starved World. He has also founded or co-founded several companies including, The Beanstalk Group and Sixpoint Partners. Additionally, Siegel has produced shows for Broadway and television, and his essays and articles have appeared in publications