Meet the people who lead ESI with experience, integrity, and a commitment to safety.
As President of ESI Electrical, Matt Hartshorn provides strategic leadership and direction for the company, helping guide its continued growth while maintaining a strong focus on safety, quality, and customer relationships.
Brian Hartshorn leads ESI Electrical’s Columbus operations, supporting customers and project teams throughout the market. His leadership helps ensure projects reflect ESI’s commitment to safety, quality, and dependable service.
Nick Behnken leads ESI Electrical’s Dayton operations, overseeing teams and supporting successful project delivery throughout the region. He works to strengthen customer relationships while advancing ESI’s standards for safety, quality, and performance.
Jason Mack leads ESI Electrical’s Cincinnati operations, providing leadership to local teams and supporting customers across the market. He helps drive operational excellence while maintaining ESI’s focus on safe, high-quality electrical construction.
As Vice President, Jim Fortkamp provides leadership across ESI Electrical, supporting the people, projects, and operational priorities that contribute to the company’s continued success.
Ryan Wilhelm leads ESI Electrical’s finance and accounting functions, helping provide the financial insight and oversight needed to support sound decision-making, operational performance, and long-term growth.
Tonya First leads human resources and organizational development at ESI Electrical, supporting the people, programs, and workplace initiatives that help employees grow and the organization thrive.
Dillon Isaac leads ESI Electrical’s safety program, working with teams across the company to promote safe work practices, strengthen ESI’s safety culture, and uphold the high standards expected on every jobsite.
Ben DeHart leads ESI Electrical’s preconstruction efforts, helping teams plan projects effectively from the earliest stages. He supports estimating, planning, and collaboration to position projects for successful execution.
Don Ringwald leads operational initiatives at ESI Electrical, supporting project teams and helping ensure work is delivered safely, efficiently, and to the high standards customers expect.
Mike Rinehart leads Virtual Design and Construction at ESI Electrical, helping project teams use technology, coordination, and digital workflows to improve planning, constructability, and project execution.