Jonathan Hale, P.E., P.M.P.
President / CEO


Jonathan is Principal Partner, President, CEO and Business Development Lead for Thoroughbred Engineering. He is a graduate of Kentucky Wesleyan College (Physics) and the University of Kentucky (Civil Engineering). Jonathan is a Professional Civil Engineer in Kentucky, Indiana, Tennessee, West Virginia and Alabama and holds many other certifications pertaining to Civil Engineering and Construction Services. He is currently the principal engineer in charge of numerous commercial, municipal and residential projects and has been fortunate to work on challenging projects like the Louisville Bridges Downtown Crossing, I-65 Added Travel Lanes, Burlington National Guard Readiness Center and George Rogers Clark High School. Over the past several years, he has been heavily involved in leadership, project management and business development.

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Darrin Croucher, P.E., S.I.
Executive Vice President / CFO


Darrin, Principal Partner, Executive Vice President and CFO of Thoroughbred Engineering, has 20 years of management experience within the engineering consulting field, including extensive expertise in business development, financial management, engineering and leadership. With a B.S. in Civil Engineering and a B.S. in Business Administration focused in Accounting from the University of Kentucky and his unique perspective on excellence and project efficiencies, Darrin has brought to life his vision of building a multidisciplinary professional engineering firm. Darrin specializes in civil engineering as it relates to land development.

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Jeff Garrison, P.E.
Vice President / Director of Quality


Jeff serves as Vice President and Director of Quality for Thoroughbred Engineering and has over 26 years of experience in civil engineering and construction with a focus on project management, organizational leadership, construction management, geotechnical engineering and software applications. Jeff is a graduate of the University of Kentucky with both a B.S. and an M.S. in Civil Engineering and is a licensed Professional Engineer in the state of Kentucky. Jeff has extensive experience in managing construction operations, general contracting, design-build projects, quality control, stormwater erosion control, and providing technical engineering support. His resume of projects includes highway and bridge construction, landfills, industrial facilities, hospitals, schools, and commercial developments.

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Brent Combs, P.E.
Senior Civil Engineer


Brent is a native of the mountains of eastern Kentucky and is a graduate of the University of Kentucky with B.S. degrees in Civil Engineering and Electrical Engineering. Brent opened the original Thoroughbred Engineering, Inc. in 1986 to focus on surveying and land development in Scott County and Central Kentucky. In 2010, Brent left the private sector and became the engineer for the Georgetown-Scott County Planning Commission. Thoroughbred Engineering recently welcomed Brent back to the remodeled firm. Brent‘s leadership and expertise in design and planning has bolstered the firm’s Civil Division.

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Keith G. Winstead, P.L.S.
Survey Group Manager


Keith is a senior surveyor bringing over 15 years of experience managing survey crews and preparing plans for all areas of civil engineering. Keith is a graduate of the University of Arkansas, and studied at University of Kentucky with Kentucky PLS certification. Keith’s leadership and expertise in surveying and CAD design are integral to the Civil Division.

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Sid Mitchell, P.L.S.
Professional Licensed Surveyor


Sid brings 30 years of field surveyor work to Thoroughbred. Sid completed coursework in southern Kentucky and holds a Kentucky PLS certification. His strong field work expertise is utilized in all project sectors for Thoroughbred.

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Jordan Haney, P.E., M.S.C.E., S.I.
Construction Services Group Manager


Jordan is a graduate of the University of Kentucky with an M.S. in Civil Engineering where he specialized in construction and geotechnical engineering during his graduate course study. Jordan provides a broad range of services for the firm including geotechnical engineering, environmental engineering, construction materials testing, non-destructive engineering (NDE), forensic engineering, special inspections and material producer oversight. Jordan has worked in a variety of areas at Thoroughbred Engineering including residential, commercial and industrial projects on special inspection, geotechnical engineering work and environmental engineering.

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Daniel Rehner, P.E.
Civil Engineering Project Manager


Daniel is a graduate of the University of Kentucky with a B.S. in Civil Engineering and Asbury College with a B.A. in Engineering Mathematics. Daniel provides a broad range of services for the firm including construction engineering and inspection (CEI), special inspections, geotechnical engineering, construction materials testing, non-destructive engineering (NDE), forensic engineering, pre-stress / post-tensioning inspections and material producer oversight. Daniel has worked in a variety of areas at Thoroughbred Engineering including residential and commercial to industrial and heavy highway.

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James Campbell A.A.C., A.A.S.
Exploration Manager


James is the exploration manager for Thoroughbred Engineering’s Geotechnical Division. He has extensive expertise in his field and is an integral part of the firm in the additional oversight roles as Safety Director and IT Manager.

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