Mark Manner

Development and Construction Services

Mark W. Manner is a seasoned substation construction and maintenance expert with over 34 years of experience at Ohio Edison/FirstEnergy Corp. Known for his hands-on leadership and deep technical expertise, Mark has successfully led crews in the installation, testing, and commissioning of high-voltage electrical equipment across transmission and distribution systems. His background includes extensive work with transformers, breakers, regulators, and steel structures, as well as proficiency in operating cranes and test equipment.

A former U.S. Air Force Instrumentation Mechanic and honorably discharged Sergeant, Mark brings disciplined project management, safety enforcement, and risk assessment skills to every job. His ability to interpret complex electrical drawings and ensure compliance with regulatory standards makes him a valuable asset in high-stakes environments.