Who We Are
Mary K. Atkins, P.E., CPESC, LEED AP
Vice President
Jeff Ballard, P.E.
Senior Project Manager
Jacob A. Barker, C.P.E.S.C.
Project Manager
Joseph Bartos, P.E.
Wastewater Collection Assistant Group Head
Jonathan E. Borgers, P.E.
Ryan K. Brauen, P.E.
Ohio Office Manager and Senior 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
Amy Harvell, CHMM, RPC
Environmental Services Group Head
Robert W. Holden II, Ph.D., P.E., BCEE
Aaron Hutton, P.E.
Fort Wayne Office Manager and Senior Project Manager
Jim Kovacs
Dylan L. Lambermont, P.E., LEED AP
Drinking Water Group Head
William J. Leber, P.E., LEED AP
Stormwater Group Head
Jason Mackiewicz
IT Coordinator
Melissa A. Mitchell, MSHRM
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
Brad A. Robertson
Field Services Manager
Gary L. Ruston, P.E., BCEE
Technical Services Director
Linda J. Sanders
David W. Schminke, P.E.
Evansville Office Manager and Senior Project Manager II
Brent A. Siebenthal, P.E.
President
Adam Sitka, P.E.
Andrew Thompson, P.E.
Jay Thorne, P.E.
Marty A. Wessler, P.E.
CEO
Jody Williams
