Andreas Karelas is the founder and executive director of RE-volv, a nonprofit organization that empowers people around the country to help nonprofits in their communities go solar and raise awareness about the benefits of clean energy. He is a dedicated clean-energy advocate with over 15 years of environmental and renewable energy experience. He is an Audubon TogetherGreen Conservation Leadership Fellow and an OpenIDEO Climate Innovator Fellow. He lives and works in San Francisco. Connect with him at re-volv.org and on Twitter at @AndreasKarelas.