I suspect in most if not all cases that it is only a handful on a committee of interested volunteers. (planet3.org)
While financial support is always crucial, we have many interesting volunteer opportunities that can be matched to your interests and availability. (plannedparenthood.org)
It is a non-profit online service that helps interested volunteers get involved with community service organizations across the country that are looking for recruits. (realtormag.realtor.org)