Stiefel Family Foundation | The Oil Age is Over

Attacking the oil problem from both sides

The Stiefel Family Foundation is a hybrid nonprofit which makes seed-stage investments in renewable energy startups and gives away the proceeds as grants to sustainability and job-creation programs in the US and Middle East.

View the organizations we’ve helped:

Investments or Grants

Featured Investment: Banyan Energy

Banyan Energy Inc. is a solar energy company based in Berkeley, CA. They focus on developing breakthrough technology for photovoltaic modules. This technology enables the lowest capital expense for manufacturing in the industry.

Featured Grant: The Relay Foundation

The Relay Foundation empowers students ages 17-25 throughout the San Francisco Bay Area to start community-empowering, environment-enriching businesses.