Rachel Pritzker Hunter is the president and founder of the Pritzker Innovation Fund.  She is a member of the Pritzker political family of billionaires  that founded and operated Hyatt Hotels and hold deep ties to the Democratic Party as donors and officeholders. 
She is the daughter of Linda Pritzker, a former member of the Forbes 400 richest Americans list  and a major Democratic donor.  Pritzker Hunter has been involved with other left-of-center organizations such as the Democracy Alliance, Media Matters for America and Third Way.  She is also a major Democratic donor in her own right. 
Rachel Pritzker Hunter is the president and founder of the Pritzker Innovation Fund, a left-of-center grantmaker that gives to think tanks, academic organizations, and advocacy organizations focused on energy and the environment.  In the early 2000s, Hunter was a founding board member of the Democracy Alliance,  a collective of left-of-center donors who have been active in orchestrating the activities of various left-of-center organizations and individuals.  She has served as a founding board member of Media Matters for America,  a left-of-center critic of conservative media outlets. 
Hunter is the president and director of the Lotus Foundation, a grantmaking organization that has supported Media Matters for America, Rockefeller Philanthropy Advisors, and Progress Now Education.  She is also the chair of the board of the Breakthrough Institute,  pro-nuclear-energy environmentalist organization co-founded by Ted Nordhaus and Michael Shellenberger in 2007. It promotes an alternate environmentalist program it calls “ecomodernism” and seeks to help the environment by making low-carbon energy cheap.  Hunter is also the co-chair of the energy program of Third Way,  a left-of-center think tank and advocacy organization. 
During the 2008 election, Hunter gave $1.1 million to a left-of-center 527 group called Bring Ohio Back for a series of ads criticizing then-Republican presidential candidate and U.S. Senator John McCain (R-AZ), claiming that he was confused when it came to economics. 
During the 2009-10 election cycle, Hunter was one of the 10 biggest individual political donors in federal elections. She was one of the only Democratic donors in the top ten.  She has donated to various major Democratic politicians and organizations throughout her life. One of the organizations is the Democratic National Committee,  the principal party organ of the Democratic Party. Pritzker also donated to the presidential campaigns of former Secretary of State Hillary Clinton  and Sen. Barack Obama (D-IL).