our team
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Talent, United by Passion
Meet the experts behind our projects, dedicated to bringing your visions to life.
Team
Mark E. Ehrhart, PE, LS
President
Robert Griffin, PE
Principal
Terry L. Morrison, PE
Vice President
- tmorrison@ehrhartgriffin.com
Engineering
Michael C. Holton, PE
Engineering Department Manager
- mholton@ehrhartgriffin.com
Dan Dolezal, PE
Sr. Project Manager
- ddolezal@ehrhartgriffin.com
Mark Dethlefs, PE
Project Manager
- mdethlefs@ehrhartgriffin.com
Mitchell A. Baker, EI
Project Engineer
Caleb Brunick Clark, EI
Design Engineer
Tyler Nekola, EI
Design Engineer
Abagail Turner, EI
Design Engineer
John Baker
Civil Engineering Technician
Hunter Winkle
Civil Engineering Technician
Survey
Shane R. Baker, LS
Surveying Department Manager
- sbaker@ehrhartgriffin.com
William A White, LS
Licensed Surveyor
- bwhite@ehrhartgriffin.com
Ryan Negus
Crew Chief
Zane Murphy
Surveyor
Jack H. Aronofsky
Survey Technician
Construction Management
Donald Goswick
Director of Construction Management
- dgoswick@ehrhartgriffin.com
JJ Thaut
Construction Observer
Administration
Brenda Ehrhart
Business Manager
Laura Ham
Office Manager
Transform Your Vision with Our Engineering Solutions
Dedicated to delivering excellence and transformative results, we’re here to help elevate your project. Partner with us and see how our expertise can make a difference.
