Sean Costello

Sean Costello has over 16 years of experience in sales, currently working at Steiner Electric since July 2016. Prior to this role, Sean Costello spent 16 years at Gexpro, where responsibilities also centered on sales. Education includes a Bachelor of Science degree in General Studies from the University of Arizona, completed between 1987 and 1990, and prior education at Fenwick High School from 1983 to 1986.