Charles Segerstrom works as a widely respected consultant to the US utility and energy-efficiency industries. Before his recent retirement, he spent several decades with PG&E in California, where he founded, managed, and supervised the operations of workforce education and training programs for the PG&E Training Centers. He was also instrumental in developing the HVAC Big Bold Initiative, and was the 2011 recipient of the Affordable Comfort National Leadership Award.

Charles resides in Sonora, California.