Pitt visited the University of Missouri campus in October 2004 to encourage students to vote in the 2004 U.S. presidential election, in which he supported John Kerry.Later in October he publicly supported the principle of public funding for embryonic stem-cell research. "We have to make sure that we open up these avenues so that our best and our brightest can go find these cures that they believe they will find," he said. In support of this he endorsed Proposition 71, a California ballot initiative intended to provide state government funding for stem-cell research.
Pitt supports the ONE Campaign, an organization aimed at combating AIDS and poverty in the developing world.He narrated the 2005 PBS public television series Rx for Survival: A Global Health Challenge, which discusses current global health issues. The following year Pitt and Jolie flew to Haiti, where they visited a school supported by Yéle Haïti, a charity founded by Haitian-born hip hop musician Wyclef Jean. In May 2007, Pitt and Jolie donated $1 million to three organizations in Chad and Sudan dedicated to those affected by the crisis in the Darfur region. Along with Clooney, Damon, Don Cheadle, David Pressman, and Jerry Weintraub, Pitt is one of the founders of Not On Our Watch, an organization that focuses global attention on stopping "mass atrocities".
Pitt has a sustained interest in architecture,even taking time away from film to study computer-aided design at the Los Angeles offices of renowned architect Frank Gehry. He narrated Design e2, a PBS television series focused on worldwide efforts to build environmentally friendly structures through sustainable architecture and design. He founded the Make It Right Foundation in 2006, organizing housing professionals in New Orleans to finance and construct 150 sustainable, affordable new houses in New Orleans's Ninth Ward following the devastation caused by Hurricane Katrina. The project involves 13 architectural firms and the environmental organization Global Green USA, with several of the firms donating their services. Pitt and philanthropist Steve Bing have each committed $5 million in donations. The first six homes were completed in October 2008, and in September 2009 Pitt received an award in recognition of the project from the U.S. Green Building Council, a non-profit trade organization that promotes sustainability in how buildings are designed, built and operated. Pitt met with U.S. President Barack Obama and Speaker of the House of Representatives Nancy Pelosi in March 2009 to promote his concept of green housing as a national model and to discuss federal funding possibilities.
In September 2006, Pitt and Jolie established a charitable organization, the Jolie-Pitt Foundation, to aid humanitarian causes around the world.The foundation made initial donations of $1 million each to Global Action for Children and Doctors Without Borders, followed by an October 2006 donation of $100,000 to the Daniel Pearl Foundation, an organization created in memory of the late American journalist Daniel Pearl. According to federal filings, Pitt and Jolie invested $8.5 million into the foundation in 2006; it gave away $2.4 million in 2006and $3.4 million in 2007. In June 2009 the Jolie-Pitt Foundation donated $1 million to a U.N. refugee agency to help Pakistanis displaced by fighting between troops and Taliban militants. In January 2010 the foundation donated $1 million to Doctors Without Borders for emergency medical assistance to help victims of the Haiti earthquake.
Pitt is a supporter of same-sex marriage. In an October 2006 interview with Esquire, Pitt said that he would marry Jolie when everyone in America is legally able to marry. In September 2008, he donated $100,000 to the campaign against California's 2008 ballot proposition Proposition 8, an initiative to overturn the state Supreme Court decision that had legalized same-sex marriage. In March 2012, Pitt was featured in a performance of Dustin Lance Black's play, '8' — a staged reenactment of the federal trial that overturned California's Prop 8 ban on same-sex marriage — as Judge Vaughn Walker.
In September 2012, Pitt reaffirmed his support of President Obama, saying, "I am an Obama supporter and I'm backing his US election campaign."
Party affiliation: Democratic Party