| September 1, 1983 - June 1, 1984 | Student Rep to Rutgers Bd of Governors |
| November 1, 2001 - December 31, 2005 | Patriot's Energy Pledge |
| September 9, 2002 - October 26, 2011 | Evolve Foundation, Inc. |
| January 1, 2003 - January 8, 2012 | NPower PA |
| January 1, 2004 - January 1, 2007 | Free Schuylkill River Park |
| January 1, 2005 - April 15, 2008 | Don't Gamble Our Future |
| April 15, 2006 - October 26, 2011 | Blueline Network |
| August 1, 2006 - December 31, 2006 | Philadelphia Forward |
| January 1, 2007 - May 31, 2007 | Andy Toy for City Council |
| January 1, 2007 - May 31, 2007 | Mark Stier Campaign 2007 |
| February 27, 2007 - May 31, 2007 | ReformBallot.org |
| March 1, 2007 - October 31, 2010 | Handgun Sanity |
| March 1, 2007 - December 31, 2007 | The Shame of a City |
| June 1, 2007 - June 1, 2009 | Logan Square Neighborhood - Parkway Plan |
| January 1, 2008 - June 30, 2010 | Bicycle Coalition of Greater Philadelphia |
| October 1, 2008 - September 30, 2009 | Pennsylvanians for Modern Courts |
| March 1, 2009 - November 1, 2011 | Keystone Progress Education Fund |
| April 1, 2009 - September 30, 2010 | Artists United for Health Care |
| May 1, 2009 - February 28, 2010 | Environmental Health Trust |
| June 1, 2009 - December 31, 2009 | Complete the Trail |
| October 1, 2009 - October 26, 2011 | The Hopewell Project, LLC |
| January 1, 2010 - March 31, 2011 | The Essential Element [HYDRA] |
| January 1, 2010 - May 31, 2010 | Fish Oil Safety |
| May 1, 2010 - October 26, 2011 | Winter Street Community Garden |
| September 1, 2010 - October 26, 2011 | Evolve Properties |
| October 1, 2010 - October 26, 2011 | Common Waters Fund |
