Bill Bumpers is a retired attorney. He spent 35 years representing clients regarding climate change and Clean Air Act matters. Bill currently runs a small community solar company. In addition to serving on Winrock’s board, he is chairman of the board for Neighborhood Sun, a solar marketing and customer management company. He also serves on the board of the Montgomery County Green Bank, a publicly chartered nonprofit corporation dedicated to accelerating investment in climate resiliency, energy efficiency and renewable energy in Montgomery County, Maryland.