Entrepreneur Brian Singerman (R) and Noelle Moseley arrive at the Tenth Breakthrough Prize Ceremony at the Academy Museum of Motion Pictures in Los Angeles, California, on April 13, 2024. Etienne Laurent | Afp | Getty ImagesBrian Singerman, one of the earliest employees of Peter Thiel's Founders Fund, said on Tuesday that he's stepping down as a general partner.Singerman, who joined the firm 17 years ago and became a partner four years later, wrote in a post on X that he's moving into the role o...