On his volunteer work with the Salvation Army and Habitat for Humanity.
http://m.wcfcourier.com/sports/blogs/sully_side_of_sports/the-sully-side-of-sports-williams-steps-forward-to-give/article_e0210a33-bd74-5559-9ee2-e51a68781d59.html?mobile_touch=true
http://m.wcfcourier.com/sports/blogs/sully_side_of_sports/the-sully-side-of-sports-williams-steps-forward-to-give/article_e0210a33-bd74-5559-9ee2-e51a68781d59.html?mobile_touch=true