Weinstein is also active on issues such as poverty, AIDS, juvenile diabetes, and multiple sclerosis research. He serves on the Board of the Robin Hood Foundation, a New York City-based non-profit that targets poverty, and co-chaired one of its annual benefits.[27]
Weinstein is a supporter of the American Democratic Party and is critical of the lack of gun control laws and universal health care in the United States.[28] He received press coverage for his support of Hillary Clinton's 2008 presidential campaign,[29] and in 2012 he hosted an election fundraiser for President Obama at his home in Westport, Connecticut.[30] In 2013, he expressed support of President Barack Obama amid criticism for the launch of the Patient Protection and Affordable Care Act. Weinstein has expressed favorable opinions about New Jersey Governor Chris Christie.