Prior to Saber, Sam was Executive Vice President and Senior Advisor at Arnold Ventures, where he led the organization's advocacy, grant-making, communications, and government affairs across diverse initiatives, including climate and clean energy, election reform, immigration, and organ donation. Before that, he served as CEO of the Action Now Initiative, a political advocacy organization founded by Laura and John Arnold.

Sam began his career in the private sector, spending a decade in consulting, banking, investment management, and product innovation.Sam is a member of the Board at Unite America, ClearPath, and Bipartisan Climate Action as well as the Conservative Climate Caucus PAC. He also serves as a Senior Advisor on policy at the Polynera Fund. Sam is a graduate of the University of Texas McCombs School of Business and IE Business School.