Our leadership team

Connect with us to learn more about trinity Subsurface, LLC.

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meet our team

Need help with your next project? Reach out to one of our leadership team to get your work site on track.

greg finkle trinity subsurface
Greg Finkle, P.E.
Greg started Trinity Subsurface, LLC after serving 10 years in the private utility locating industry. Greg has a passion for solving complex problems.
jami roblejo trinity subsurface
Jami Roblejo
Integrator and Marketing
Jami Roblejo ensures our strategic objectives are met at Trinity Subsurface. She has been in the utility locating industry for several years and holds an MBA in Marketing.
pj cossman trinity subsurface
P.J. Cossman
P.J. is our proposal-writing aficionado. He has over a decade of ground penetrating radar, concrete imaging radar, and video pipe inspection experience.
jeff finkle trinity subsurface
Jeff Finkle
Jeff began his career at Trinity Subsurface as a client service manager. After several years of training in excavation and pipe services, he took on a role in operations.
bob froelich trinity subsurface
Bob Froelich
Over 30 years of Financial & Operational experience in industries such as Waste/Environmental, Eye Care, Paper, Adhesives & Pigment Dispersions.
sean warner trinity subsurface
Sean Warner
Sean has been part of the Trinity Subsurface team since its founding! With over 10 years of experience in utility locating, he facilitates all training of new hires.
chad fischer trinity subsurface
Chad Fischer
Corporate Strategy
Chad oversees geographic expansion and strategy. He has over 20 years of management experience, 10 of which arein utility locating.
corrine yeager trinity subsurface
Corrine Yeager
Business Services
Corrine oversees the administrative duties of all business accounts. She began her career at Trinity Subsurface as an Operations Coordinator.

THE CORE VALUES THAT drive our team.

commitment to people underground utility locating services

Commitment to

Not only the dedicated and skilled workforce at Trinity Subsurface but the people we partner with. We learned a long time ago that individual projects come and go, but it’s the people behind them that make it awesome!
Quality focus underground utility locating services


We focus on quality over sales because we feel that great quality service will sell itself. We put our effort into providing great service. Our formula is pretty simple. We’ll be there when we say we will and we’ll do what we say we’ll do.
professionalism underground utility locating services


We believe our integrity, quality, safety, and customer service all lend part to being truly professional. We’re not going to sugar-coat our results, and we’ll never over promise and under deliver on your project.