John DeCock is the Executive Director of the Sierra Club Foundation.
John DeCock has served as Executive Director since June 1998. Prior to that time, he worked for the Sierra Club for 17 years holding several positions including Associate Conservation Director and Director of National and International Outings. He has served as a volunteer on the boards of other non-profits and has led adventure travel tours in the U.S., Nepal, Mexico and Kenya.
- Source: Guidestar.org