In 2009, Affeldt was recognized for his anti–slavery efforts by a nomination for the Jefferson Award for Public Service, and in 2010, he was the San Francisco Giants' nominee for the Roberto Clemente Award. Affeldt also founded an organization known as Generation Alive that exists to develop a generation of young leaders, committed to serving others and responding to the needs in their community. In 2013, Affeldt released a book entitled "To Stir a Movement: Life, Justice, and Major League Baseball". In the book, Affeldt recounted a contract situation in 2010 where he voluntarily returned $500,000 to the Giants after discovering a clerical error. In 2015, Affeldt received an honorary degree from Whitworth University for his humanitarian efforts.