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Our Leadership Team.
Meet the driving force behind our commitment to excellence - our exceptional team of leaders. At Mainstay, we believe that success is not just achieved; it's engineered. Get to know the people shaping our journey, each brining a unique blend of experience, passion, and dedication to our partners, clients and Mainstay team. And get to know our Core Values that guide us in every aspect of our work.
Kelsey Addeo
Project Manager,
Structural Engineering
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Pamela J. Assenmacher, PE
Vice President,
Operations
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Matthew Barton, PE
Director, Civil Engineering
Raleigh, NC
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Matthew Brenfleck, PE
Associate Project Manager,
Structural Engineering
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Jacki Briggs, PHR
Vice President,
Human Resources
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Michael Canalley, PE
Director,
Quality Control
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David F. Citro, PE
Director,
Civil Engineering
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Leo Doyer, PE
Director,
Structural Engineering
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Sean Marzolf, PE
Project Manager,
Civil Engineering
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Justin H. Meillier, PE, CDT
Director,
Structural Engineering
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Justin T. Ruby, PE
Vice President,
Engineering
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Laura M. Ryan, PE
Project Manager,
Structural Engineering
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Christine Sciarrotta
Vice President,
Business Development
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Kurt Sponheimer, PE
Project Manager,
Structural Engineering
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Kevin Tatlow, PE
Project Manager,
Civil Engineering
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