NEENAH, Wis. (August 18, 2025) — McMahon, a full-service, professional engineering and architectural firm, announces Chris Dopkins, project manager, and Tony Kappell,water/wastewater project engineer, have been named directors in the company.
Dopkins has been with McMahon for more than 27 years, serving as a project manager at the company’s Machesney Park, Illinois office. He has a Bachelor of Science in civil engineering from the University of Wisconsin – Platteville. Dopkins will hold the title of director of regional services.
Kappell has served as a project engineer in McMahon’s water/wastewater division, based in Neenah, Wisconsin, for 21 years. He holds a bachelor’s in civil engineering and a master’s in environmental engineering, both from the University of Minnesota. Kappell will hold the new title of director of water/wastewater division.
At McMahon, directors are recognized for consistent embodiment of the McMahon Way including performance, professionalism, growth and development, extra effort and responsible charge which includes both personal growth, sales, mentoring and accountability.
“We’re proud to recognize Chris and Tony for their consistent dedication to McMahon’s growth and exceptional client service,” said Paul Benedict, president of McMahon. “Both of them have shown exceptional commitment to the McMahon Way, serving as strong leaders among their peers and in the industry.”
To learn more about McMahon visit mcmgrp.com.
Headshots Included.

Chris Dopkins, director of regional services for McMahon. Photo credit: McMahon.

Tony Kappell, director of water/wastewater division for McMahon. Photo credit: McMahon.