Joseph D. Marsh
President
P.E.
With over 19 years of engineering experience, Joe Marsh specializes in roadway lighting. Joe serves as the Chair of the Roadway Lighting Committee for the Illuminating Engineering Society (IES) and leads efforts regarding daytime lighting in tunnels. Joe has a robust background in intelligent transportation systems (ITS), ranging from design to integration, and is licensed in over twenty states.
Mark Seppelt
Lead Lighting Engineer
P.E.
Mark has over two decades of experience, including 21 years as the Electrical and Mechanical Unit Chief in the Bureau of Design and Environment at the Illinois Department of Transportation (IDOT). Mark oversees quality and management of lighting designs, standard drawings, and specifications.
Michael J. Jorgensen
Lead Traffic Signal Engineer
P.E.
Prior to joining the practice, Michael served as a Traffic Engineer Specialist with the Iowa Department of Transportation for 25 years. Michael oversees signing, lighting, and traffic signal projects.
John V. Falcone
Lead Field Manager
John has extensive experience in project management, installation, testing, commissioning, and maintenance for tolling and intelligent transportation systems (ITS).
Rick W. Kauffman
Senior Lighting Designer
Rick has over 30 years of high-level lighting industry experience. Rick serves on key committees for the IES and ANSI, having authored initial drafts for standard practice guidelines, LED roadway specifications, and other industry standards.
Larry M. Oliver
Lead Structural Engineer
P.E.
Larry is a Civil-Structural-Coastal Engineer with over 39 years of experience. Larry specializes in concrete and steel bridge design in complex environments, including coastal and seismic zones.
Scott M. Younghouse
Electrical Engineer
Scott serves as a consultant within the Office of Design Policy and Support in the Lighting Group at Georgia Department of Transportation Headquarters.
Floyd L. Potter
Project Manager
Floyd has over 33 years of experience in transportation design, including hydrology, vertical design, and utility coordination, with deep expertise in Georgia Department of Transportation specifications.
Aaron Keil
Electrical Engineer
P.E., LC
Aaron has comprehensive expertise across diverse lighting applications including commercial, industrial, utility, and roadway environments, and serves as an instructor for AGi32.
David Kane
Lighting Designer
LC
David has 40 years of lighting and control design experience, spanning PoE control systems, commercial developments, and high-end residential projects.
Blaine Hatten
CAD Technician
Blaine specializes in 3D roadway and bridge modeling as well as traditional 2D plan preparation across civil, structural, and electrical disciplines.
Donna Gafford
Lighting Certified Professional
LC, CM-BIM
Donna brings over 14 years of experience in lighting application engineering, design resources, and specification marketing. Donna is an authorized instructor for AGi32 and holds credentials in building information modeling.
Emily Davis
Lighting Designer
Emily is a lighting designer focused on public lighting applications, and serves as Secretary for the Illuminating Engineering Society's Security Lighting technical committee.
Malena Lattanaxay
CAD & Project Manager
Malena has extensive experience delivering civil, electrical, lighting, and power distribution design plans for transportation and utility infrastructure sectors.
Tyler Brewer
Electrical Engineer
Tyler is an electrical engineer specializing in lighting design, with proficiency in AGi32, MicroStation, and embedded digital/analog systems.
Will Chaney
CADD Technician
Will has 28 years of CADD experience across civil, structural, electrical, mechanical, and plumbing disciplines.
Catherine M. Marsh
Chief Financial Officer
Catherine has over two decades of financial expertise, guiding financial strategy and operations since 2014.
Deborah Mayer
Executive Assistant
Deborah has a diverse background as an executive assistant and office manager, with experience handling state DOT registrations, continuing education compliance, and administrative operations.
Joanie Stewart
Administrative Assistant
Joanie supports marketing, human resources, prequalification documentation, and invoicing.
Misty Oehmke
Billing & Operations Administrator
Misty oversees key administrative roles including project invoicing, billing, procurement, and operational support.