Our professional staff

Clark Dietz is a large, interconnected community of professionals. Our professional engineering staff has nurtured decades of strong relationships, working in concert to sustain and build our modern environment. Delivering solutions across our full line of markets and services, Clark Dietz serves to exceed expectations. Every time.

Antonio Acevedo, PE
Antonio Acevedo, PETransportation Team Lead
Transportation
Christopher J. Beyer, PE
Christopher J. Beyer, PECivil/Environmental Team Lead
Municipal
Emily Basalla, PE, CFM
Emily Basalla, PE, CFMWisconsin Regional Director
Stormwater, Board of Directors, Municipal Engineer
Andrea Bretl, PE
Andrea Bretl, PECentral Illinois Area Manager, Civil/Environmental Team Lead
Wastewater
Leigh Burgess, PE, PTOE
Leigh Burgess, PE, PTOEEast Michigan Area Manager
Transportation, Traffic
Robert Chandler, PE
Robert Chandler, PEProject Manager
Transportation
Wes Christmas, MBA, PE, ENV SP
Wes Christmas, MBA, PE, ENV SPPresident and Chief Executive Officer
Transportation, Wastewater, Stormwater, Municipal,
Board of Directors
Scott Drabicki, PE
Scott Drabicki, PECivil/Environmental Team Lead
Municipal, Drinking Water, Stormwater, Wastewater
Mustafa Emir, PhD, PE
Mustafa Emir, PhD, PEExecutive Vice President of Marketing and Business Development
Stormwater, Municipal,
Board of Directors
Brandon Flunker, PE, CFM
Brandon Flunker, PE, CFMProject Engineer
Stormwater, Power & Energy, Municipal
Thomas Foley, PE
Thomas Foley, PECivil/Environmental Team Lead
Wastewater
Nathan Frey, PE, PMP
Nathan Frey, PE, PMPTransportation Team Lead
Transportation
Adam Groves, PE
Adam Groves, PETransportation Team Lead
Transportation
Christopher Gutkowski, PE, CFM, ENV SP
Christopher Gutkowski, PE, CFM, ENV SPSenior Engineer
Stormwater
Brandon Hasso, PE
Brandon Hasso, PETransportation Team Lead
Transportation, Traffic
Kevin Hetrick, PE
Kevin Hetrick, PEIndiana Regional Director
Transportation
Jon Howaniec, SHRM-CP
Jon Howaniec, SHRM-CPVice President, HR Director
Board of Directors
Julian Jones, PE
Julian Jones, PEProject Manager
Transportation
Kevin Jones, PE
Kevin Jones, PETransportation Team Lead
Transportation
Chester Kochan, PE
Chester Kochan, PESenior Project Manager
Construction, Transportation
Shawn Kraus, PE
Shawn Kraus, PEConstruction Engineering Team Lead
Construction, Lighting
Al Lapinskas, PE
Al Lapinskas, PEConstruction Engineering Team Lead
Construction
Michael Livermore
Michael LivermoreSenior Client Advisor, Illinois
Client Relations
Chaitanya Mamidala, PE
Chaitanya Mamidala, PEProject Engineer
Transportation, Municipal
Sean Marzano, SE, PE
Sean Marzano, SE, PEStructural Engineer
Transportation, Wastewater, Drinking Water, Stormwater, Power & Energy, Municipal, Mechanical, Electrical
Benjamin Metzler, PE
Benjamin Metzler, PESenior Engineer
Municipal
Mike Miller, PE
Mike Miller, PECivil Team Lead
Civil Engineering, Municipal Engineering, Utilities
Justin Moed
Justin MoedClient Advisor, Central Indiana
Client Relations
Sherry Mulkins
Sherry MulkinsClient Advisor, Kentucky
Client Relations
Ivan Palencia, PE
Ivan Palencia, PEStructural Team Lead
Structures, Bridges
Nirav Patel, PE
Nirav Patel, PENorthern Illinois Area Manager
Wastewater, Drinking Water, Power & Energy, Mechanical, Electrical, Municipal, Board of Directors
Kendrick Payne, PE, LEED AP
Kendrick Payne, PE, LEED APSenior Project Engineer
Mechanical, Electrical
Jerald T. Payonk, PE
Jerald T. Payonk, PEChairman of the Board
Transportation, Board of Directors
Jacob Phillips
Jacob PhillipsCentral Indiana Area Manager
Transportation
Deborah Porter, PE
Deborah Porter, PEProject Engineer
Transportation
Aaron Poster, PE
Aaron Poster, PEConstruction Engineering Team Lead
Construction
Brian Powers, PE, CFM, ENV SP
Brian Powers, PE, CFM, ENV SPProject Engineer
Transportation, Stormwater
Robert Rayl, PE
Robert Rayl, PERegional Director, Michigan
Transportation, Board of Directors
Kevin Risch, PE
Kevin Risch, PEProject Manager/Municipal Engineer
Transportation, Municipal
Keary Roberts, PE
Keary Roberts, PEConstruction Engineering Team Lead
Construction
Sam Robertson, PE, CFM
Sam Robertson, PE, CFMCivil/Environmental Team Lead
Civil, Environmental
Bri Roll
Bri RollProject Development Consultant
Client Relations
Thomas Sereseroz, PE
Thomas Sereseroz, PEStructural Practice Lead
Structures, Bridges, Transportation
Christel Simonis, CCST
Christel Simonis, CCSTInstrumentation & Controls Technician
Controls, Electrical
Brian Smith, PE
Brian Smith, PE Central Michigan Area Manager
Transportation, Traffic
Steve Stramsak, PE, PTOE
Steve Stramsak, PE, PTOETraffic Team Lead
Transportation, Traffic
Jack Stocks, PE
Jack Stocks, PESenior Engineer
Transportation
Drew Storey, CSSBB
Drew Storey, CSSBBSenior Client Advisor, Indiana
Client Relations
Seth Swartz, CPA
Seth Swartz, CPAChief Financial Officer (CFO)
Accounting, Board of Directors
Diane Thoune, PE
Diane Thoune, PECivil/Environmental Team Lead
Wastewater, Drinking Water, Stormwater, Municipal
Heath Titzer, PE, PLS
Heath Titzer, PE, PLSSouthern Indiana Area Manager
Civil/Environmental
Eric VonHoven
Eric VonHovenConstruction Engineering Team Lead
Transportation
Tonia Westphal, PE, LEED AP
Tonia Westphal, PE, LEED APNorthern Wisconsin Area Manager
Power & Energy, Municipal,
Board of Directors
Sean Widener, PE, PTOE
Sean Widener, PE, PTOEIllinois Regional Director, Treasurer
Transportation, Municipal,
Board of Directors
Lisa Zahrt, PE, LEED AP
Lisa Zahrt, PE, LEED APMechanical/Electrical Team Lead
Mechanical, Electrical
Paul Zouski, PE
Paul Zouski, PESenior Engineer
Electrical,
NFPA 70E Compliance Specialist

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