Blake Gates Masters (born August 5, 1986) is an American venture capitalist, author, and politician. He is the president of the Thiel Foundation. Masters co-wrote "Zero to One: Notes on Startups, or How to Build the Future" with Peter Thiel in 2014. He was the unsuccessful Republican candidate for the United States Senate in Arizona in the 2022 election. He is a supporter of former President Donald Trump.