1st Avenue Capital is a Los Angeles based holding company focused on making investments in people and businesses that share our ethos of cultivating a better tomorrow.

Since our founding in 2004, 1st Avenue Capital and its affiliated entities have managed over $1 billion in transactions across a wide range of industries. 1st Avenue Capital currently holds investments in clean energy, real estate, hospitality and aviation.


Tom Buttgenbach, Ph.D.

President & Founder

Tom is President and Founder of 1st Avenue Capital. Tom is also President and CEO of 8minute Solar Energy. Serving in these capacities, he brings over 20 years of executive management experience in large-scale project development, and has led transactions totaling over $5 billion. Previously, Tom was a successful entrepreneur and real estate developer. He also worked at McKinsey & Company in Europe and America. Tom holds a dual Ph.D. in physics and astronomy from the California Institute of Technology (CalTech).

8minute Solar Energy:

Tom founded 8minute Solar Energy (formerly 8minutenergy Renewables) a decade ago, which is now the largest privately-held solar and storage developer in the country with a portfolio of over 14 gigawatts of solar + storage projects. Focused on greenfield development, the company has developed the largest solar plant in the nation, currently holds the record for the lowest-price solar project in America, and has a track record of delivering above-market profitability and strong financial returns.

Hunter Kroll, Business Manager

Liz Roz, Controller

Charlie Patton, Real Estate Development Lead

David Kang, Real Estate Project Manager