Sharon Lipinski (Loveland, CO) is the founder of the non-profit Change Gangs: Virtual Giving Circles, which helps people make small donations that make a big impact by pooling their small donations with the donations of other people who care about the same cause. She also maintains the largest repository of information documenting the tools, strategies, and accomplishments of some of America’s eight hundred charitable giving circles. Visit her online at www.SharonLipinski.com.