Joel has been a long-term leader in the cleantech community, having created or funded more than 20 cleantech companies, non-profits and policy organizations in the past decade. Joel works on policy, community development, technology commercialization, and finance have all focused on massively scaling renewable energy and energy efficiency.  Joel serves and/or has served on the boards of the Clean Economy Network Educational Foundation, CleanTX Foundation, Colorado Cleantech Industry Association, Rocky Mountain Clean Tech Open, California Blue Ribbon Task Force on Nanotechnology, California Nanosystems Institute, and is a Founding Member of Environmental Entrepreneurs (E2).  Joel was the first Entrepreneur in Residence at the National Renewable Energy Laboratory with venture capital firm Kleiner Perkins Caufield & Byers. Joel previously headed renewable energy efforts at the Austin Clean Energy Incubator, Eastman Ventures, and Sierra Ventures, and founded Austin’s Pecan Street Project, the nation’s first SmartGrid 2.0 test implementation supported by the Department of Energy.