Hinkle’s Leadership Team is committed to providing quality construction materials and services in Kentucky and the Southeast. Our industry will face challenges and changes in the future, but our leadership team’s commitment to our core values remain constant. We are individuals who live and work in your community, and as such, we strive to deliver products and services that meet and/or exceed the needs of our customers and the communities we serve.

Steven Lee


Steven Lee is the Chief Financial Officer of Hinkle Contracting.  Steven joined the Hinkle team in July 2015 with 17 years in financial leadership roles with publicly held organizations and 10 years in the family held residential construction business. Prior to Hinkle, Steven has held senior Finance & IT positions in the building product manufacturing space, with responsibility for North American operation and technical finance.

Steven also served as COO/CFO of Lee Homes, Inc. in Somerset Kentucky for 10 years.  This family owned business began by his father was vertically integrated with residential development, insurance and finance arms.

Steven began his career as Plant Controller, with Hartco Flooring Company a division later integrated into Armstrong World Industries.

Steven earned his MBA-Finance from Ball State University in 2008. He received his Bachelor of Accounting from the University of Kentucky in 1988. He received his diploma in computer programing and systems analysis from Somerset Vocational school in 1985. He holds both the Certified Management Accountant (CMA) and Certified Public Accountant (CPA) credentials.

Larry Winkleman


Larry Winkleman is the President of Hinkle Contracting. He joined Hinkle in August of 2013 as Chief Operating Officer and assumed the role of President in June 2015. Prior to Hinkle, he worked in the heavy highway materials and construction business in Ohio for 35 years. Larry serves on several industry boards: Kentuckians for Better Transportation (KBT), Plant Mix Asphalt Industry in Kentucky (PAIKY) and Kentucky Association of Highway Contractors (KAHC). 

Larry received his Bachelor of Science in Civil Engineering from Ohio Northern University in 1978 and an MBA from Heidelberg University in 2001.

Mike Martin

Vice-President, Aggregates

Mike Martin joined Hinkle Contracting Company, LLC., as Vice President of Aggregates on June 3, 2019.  Mike has over twenty years of experience in the aggregates industry.  Prior to joining Hinkle, Mike worked for Delta Companies, Eagle Iron Works and Lattimore Materials. Mike is skilled in all functions of aggregate processing and possess a strong focus on maximizing production.

Mike holds a Bachelor of Science in Geology from Iowa State University.

Dr. J. Gregory Gillum, CPCC

Director, Human Resources

Dr. J. Gregory Gillum, CPCC, is the Director of Human Resources for Hinkle Contracting Company, LLC. Greg has almost three decades of experience in talent acquisition and development roles. During this time, he spent 16 years as CEO of humanfusion, a management consulting firm specializing in recruiting, hiring, onboarding, and developing managers. Prior to that, he spent 6 years on the faculty of the Medical College of Virginia, and almost a decade in senior management positions with GlaxoSmithKline.

Greg obtained his doctoral degree in pharmacology from the University of Kentucky, and earned his CPCC (Certified Professional Co-Active Coach) certification from the Coaches Training Institute of San Rafael, CA. He is also certified by the Winslow Research Institute to administer and interpret their 24-trait normative behavioral assessment. Greg is also a certified trainer with Achieve Forum, an international leadership development company based in Boston, MA.

Jeff Mingus

Vice-President, Equipment

Jeff Mingus is the Equipment Division Vice President at Hinkle Contracting.  Jeff joined Hinkle in November of 2012. Prior to that, Jeff’s experience includes work in the Oil and Gas, Heavy Industrial and Water/Wastewater Construction industries. He has 29 years of experience in heavy equipment maintenance, repair, financial and compliance management. Jeff is a member of Association of Equipment Management Professionals (AEMP).

Tracey Bubnick

Director, Safety

Tracey Bubnick is the Safety Director of Hinkle Contracting. Tracey joined the company in July of 1999.  Prior to coming to work at Hinkle, he worked as the safety director of Southern Belle Dairy manufacturing plant located in Somerset, KY.  He currently serves on the safety and environmental committees of Kentucky Crushed Stone (KCSA) and Kentucky Association of Highway Contractors (KAHC).  He attended the University of Kentucky and recently earned his Certified Mine Safety Professional credential.

Tom Ralston

Vice-President, Sales and Estimating

Tom Ralston is Vice President Asphalt Paving for Hinkle Contracting. He began working at Hinkle in 1990. He has worked in the highway contracting industry a total of 38 years. Tom serves on several local community service boards: Paris/Bourbon Chamber of Commerce, Paris YMCA, and Hospice of the Blue Grass Advisory Board.

Tom received his Bachelor of Science in Civil Engineering from the University of Kentucky in 1978. Tom received his Professional Engineer’s License in 1983.

Jamie King

Vice-President, Asphalt and Paving

Jamie King is Vice President for Asphalt Plants and Logistics for Hinkle Contracting.  He joined Hinkle in May of 2005 and held the positions of Area Manager and, later, Vice President for Ohio Valley Asphalt.  He assumed the role of Vice President for Asphalt Plants in 2013, and recently added his role with Logistics.  Jamie has worked in the highway construction industry for 21 years.  He has been active in committees for both the Plant Mix Asphalt Industry of Kentucky (PAIKY) and the Kentucky Association of Highway Contractors (KAHC).

Jamie received his Bachelor of Science in Civil Engineering from the University of Kentucky in December 1995, and is a Registered Professional Engineer in Kentucky.

Timmy Tipton


Timmy Tipton is Quality Control Director of Hinkle Contracting, LLC.  Timmy began his career with Hinkle in 1976, working initially as part of the maintenance and clean-up crew at Natural Bridge Stone, He became the aggregate technician at Natural Bridge Stone in 1977 and gained certification as an Asphalt technician in 1979, was promoted for a window of time as a asphalt plant superintendent, returned to Quality Control as the QC Manager in the late 1980s. He serves on advisory committees for the Kentucky Plant Mix Association and the Kentucky Crushed Stone Association

Rick Wills

Triple Crown Concrete General Manager

Rick is a graduate of East Tennessee State University where he earned a Bachelor of Science degree. After graduation, he began his journey by joining Rinker as a mixer truck driver. That progressively led him through each area of the business, including maintenance, dispatch, plant operations, fleet management, quality control, and successive levels of responsibility. He came directly to TCC from Martin Marietta, serving as Area Manager. Rick has two decades of experience in the Ready-Mix concrete industry, and is actively involved in the National Ready Mix Concrete Association. Rick is a certified Smith System instructor, and holds certifications from OSHA Construction Safety and Health and the American Concrete Institute.