Who We Are
Mary K. Atkins, P.E., CPESC, LEED AP
Vice President
Jeff Ballard, P.E.
Senior Project Manager
Jacob A. Barker, CPESC
Environmental Services Project Manager II
Joseph Bartos, P.E.
Wastewater Collection Assistant Group Head
Jonathan E. Borgers, P.E.
Ryan K. Brauen, P.E.
Vice President and Ohio Office Manager
Katie Castro Jackson, P.E.
Project Manager
Nancy Cho, CPESC
Senior Environmental Services Project Manager
Eric E. Davis
Business Development Representative
Dreama E. Doolittle, P.E.
Monte Gardner
Construction Services Group Head
Andrew D. Gordon, P.E., C.F.M.
Tyler G. Graves
Business Development Group Head
Collin Hartman
Amy Harvell, CHMM, RPC
Environmental Services Group Head
Robert W. Holden II, Ph.D., P.E., BCEE
Senior Vice President and Wastewater Group Head
Josh Hood, P.E.
Aaron Hutton, P.E.
Vice President and Fort Wayne Office Manager
Bridget Ingram, P.E.
Jessie Johnson
Dylan L. Lambermont, P.E., LEED AP
Executive Vice President and Drinking Water Group Head
Jen Landis
Recruiter
Lori Latham
William J. Leber, P.E., LEED AP
Stormwater Group Head and Vice President of IT
Jason Mackiewicz
IT Infrastructure Manager
Kasey Marley, P.E.
Melissa A. Mitchell, MSHRM
Senior Vice President of Administration
Wayne C. Moore, P.E.
Electrical Group Head
Mike Nelson
CAD Manager
Shawn R. Perkins, P.E.
Senior Project Engineer
Brian Price, PMP
Instrumentation and Controls Group Head
Jim Purtee, CPA
Controller
Loys Rees, P.E.
Brad A. Robertson
Field Services Manager
Gary L. Ruston, P.E., BCEE
Technical Services Director
Linda J. Sanders
Rebecca Scarbrough, P.E.
Brent A. Siebenthal, P.E.
President
Adam Sitka, P.E.
Andrew Thompson, P.E.
Jay Thorne, P.E.
Kurt Wanninger
Marty A. Wessler, P.E.
CEO
Jody Williams
Senior Construction Project Manager
