 Lake and her firm, Lake Research Partners, work on healthcare, education and the environment.She has worked with a large variety of organizations, such as the AFL-CIO, SEIU, EMILY's List, The White House Project, Planned Parenthood, Democratic National Committee, Sierra Club, Human Rights Campaign, NARAL, Barbara Lee Family Foundation, Kaiser Family Foundation, VoteVets Action Fund, the Wikimedia Foundation, and more.Lake has worked as a pollster for many prominent politicians.