John Abrams co-founded South Mountain Company in 1973 and served as its president and CEO until 2022. Under his leadership, the company became a pioneer in integrated architecture, building, and solar services, as well as a leader in worker ownership, leadership transition, and social mission innovation. Abrams is deeply connected to organizations promoting sustainable business practices, is a long-time affordable housing activist, and recently co-founded Abrams+Angell, a consultancy which guides employee ownership conversions. He is the author of Companies We Keep, which has sold over 10,000 copies, and a co-founder of Building Energy Bottom Lines, a peer group network of 70+ triple bottom line businesses.