Our Team &
Qualifications

When working with CGA, you will be assigned a Project Engineer and Project Manager. Your CGA team will consist of qualified and experienced professionals that leverage hundreds of years of combined experience in engineering, surveying, and construction management projects.

Your project won’t get lost in the shuffle or passed around to other project managers with CGA!

Your project won’t get lost in the shuffle or passed around to other project managers with CGA!

Professional Engineers

Matt Garber, P.E., P.L.S., Registration # Marshalltown | President & CEO
Matt Garber, P.E., P.L.S. Professional Engineer & Professional Land Surveyor

President & C.E.O.
Board of Directors
Iowa License #P14449

Mindy Bryngelson, P.E. Professional Engineer

Vice President
Board of Directors
Iowa License #P17135

Lee Gallentine, P.E., P.L.S., Registration: Iowa #15745, Ackley | Ag Drainage
Lee Gallentine, P.E., P.L.S. Professional Engineer & Professional Land Surveyor

Vice President, Operations
Board of Directors
Iowa License #P15745

Adam Daters, P.E., Marshalltown, Iowa - CGA | Land Development | Planning
Adam Daters, P.E. Professional Engineer

Vice President
Board of Directors
Iowa License #P19579

Doug Saltsgaver, P.E. Professional Engineer

Iowa License #P11993

Zeb Stanbrough, P.L.S., P.E. Professional Land Surveyor, Professional Engineer

Iowa License #P19957

Brad Freeman, P.E. Professional Engineer

Iowa License #P25470

James Sweeney, P.E., Registration # Ackley | Structural Design | SWPPP | Ag Drainage
James Sweeney, P.E. Professional Engineer

Iowa License #P2442541

Luke Wilson, P.E. Professional Engineer

Iowa License #P26390

Kohle Nieland, P.E. Professional Engineer

Iowa License #P28658

Professional Land Surveyors

Matt Garber, P.E., P.L.S., Registration # Marshalltown | President & CEO
Matt Garber, P.E., P.L.S. Professional Engineer & Professional Land Surveyor

President & C.E.O.
Board of Directors
Iowa License #P14449

Lee Gallentine, P.E., P.L.S., Registration: Iowa #15745, Ackley | Ag Drainage
Lee Gallentine, P.E., P.L.S. Professional Engineer & Professional Land Surveyor

Vice President, Operations
Board of Directors
Iowa License #P15745

Travis Stewart, P.L.S., Cedar Falls | Construction Survey
Travis Stewart, P.L.S. Professional Land Surveyor

Vice President
Board of Directors
Iowa License #P17162

Marc Hoodjer, P.L.S. Professional Land Surveyor

Iowa License #P22634

Zeb Stanbrough, P.L.S., P.E. Professional Land Surveyor, Professional Engineer

Iowa License #P19957

Dan Rittel, PLS at CGA
Dan Rittel, P.L.S. Professional Land Surveyor

Iowa License #P15268

Scott Steinfadt, P.L.S., Registration #Ackley | Boundary Survey
Scott Steinfadt, P.L.S. Professional Land Surveyor

Iowa License #P14677

Survey Manager

David Freese, Survey Manager

Engineer Interns

Lary Koosmann, E.I., L.S.I.

Project Manager

Reese Hageman, E.I. Engineer Intern
Parker Hulbert, E.I. Engineer Intern

Land Survey Interns

Lary Koosmann, E.I., L.S.I.

Project Manager

Dan Matzinger, L.S.I.
Kasey Westley, L.S.I.

Landscape Architect Intern

Clay Silver, L.A.I.

Licensed Real Estate Broker

Jeff Sogge, Licensed Real Estate Broker | Right of Way Registration #???
Jeff Sogge Licensed Real Estate Broker

Right of Way Agent

Iowa DOT Certified Inspector

Iowa DOT
Numerous Iowa DOT Certified Technicians

Iowa DOT