Sonepar USA, Charleston, SC, a subsidiary of the privately held France-based Sonepar Group, has named Mike Dumas chief operating officer for Capital Electric. He will be based out of Capital Electric’s headquarters in Upper Marlboro, MD.

Dumas joins Sonepar USA from Graybar, where he  was district vice president, responsible for day-to-day business activities for the St. Louis district and Phoenix district, respectively. Dumas also served as vice president of communications/data and vice president of corporate accounts during his 30-year tenure at Graybar.