John Foster

Executive Chairman

An experienced senior leader and advisor in the independent power sector, John brings decades of experience to the Executive Chairman position at Guzman Energy. Among his achievements and leadership assignments, John led the merger of Southwest Generation with Novatus in 2021 that resulted in the formation of Onward Energy, a renewable and natural gas company where he served as executive chairman. Prior to that, Foster became CEO of Southwest Generation in 2014 where he spearheaded a series of acquisitions to facilitate responsible and reliable renewable energy transition.

In his role as executive chairman at Guzman Energy, John works with the leadership team to capitalize on the growth and success the company has achieved. Integral to this is John’s extensive development and finance experience to enhance the Guzman Energy portfolio of power generation supply sources.

John and his wife reside in Denver and enjoy adventure travel, hiking and spending vacation time in Vermont. They have three adult children, including a filmmaker, an aspiring lawyer and a winemaker.