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Harold Yoh, III: Chair and CEO, Day & Zimmermann

Harold Yoh, III

Chair and CEO


Kathleen King

Senior VP Finance and CFO

Lisa Ann Cooney, SVP, Chief Legal Officer and Corporate Secretary

Lisa Ann Cooney

SVP, Chief Legal Officer and Corporate Secretary

Sankara 'Vishi' Viswanathan

Sankara 'Vishi' Viswanathan

Senior VP and CIO

Dan Ross, SVP, HR, CHRO, Day & Zimmermann

Daniel Ross

Senior VP, HR, and Chief Human Resources Officer

Mike Yoh

Executive Vice President, Munitions and Government

BG (ret) John J. McGuiness

President, Munitions & Government

John McCormick

President, Maintenance and Construction

Doug Magee

President, Government Services

Emmett McGrath

President, Yoh

Our People

The best way to learn about life at Day & Zimmermann is to hear from the people who are living it. Meet the people behind our success.

Learn More About Life at D&Z

want to make sure that whatever I’m providing the customer with is the best option, practice or opportunity for them. I feel that my sincerity in my job is shown through my performance and results.