Andrea Ambrosia is the Chief Executive Officer of Yosemite Consulting, where she leads one of the leading digital media buying practices in progressive politics and advocacy. With oversight of over nine figures in media dollars across electoral and issue campaigns, Andrea specializes in bringing cutting-edge commercial advertising technology into the political space. Her work has powered wins at every level, from flipping state legislative seats and electing local officials, to driving multi-million-dollar statewide advocacy efforts that have measurably shifted public opinion. Her work at Yosemite has been recognized with multiple Campaigns & Elections Reed Awards and American Association of Political Consultants Pollie Awards.

Prior to becoming CEO, Andrea served as Senior Vice President of Campaigns at Yosemite, managing the firm's California portfolio and overseeing its Account Management and Ad Operations teams. Before her career in politics, she spent over a decade in the entertainment industry as a music agent. Originally from the Chicago area, she is now based in Washington, D.C.