Steven Lee


Steven Lee is the President of Triple Crown Concrete, a Division of Hinkle Contracting Company, LLC. 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 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 earned his MBA-Finance from Ball State University in 2008. He received his Bachelor of Accounting from the University of Kentucky in 1988. He holds both the Certified Management Accountant (CMA) and Certified Public Accountant (CPA) credentials.

Larry Winkleman


Larry Winkleman is the CEO of Triple Crown Concrete, a Division of Hinkle Contracting Company, LLC. 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.

Timmy Tipton

Vice-President, Quality & Technical Services

Timmy Tipton is Vice-President, Quality & Technical Services of Triple Crown Concrete, a Division of Hinkle Contracting Company, 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.

Ryan Buffington

Vice President of Finance

Ryan Buffington is the Vice President of Finance at Hinkle Contracting Company, LLC. Originally from NE Pennsylvania Ryan joined the Hinkle team in January of 2012. He possesses over twenty years of financial experience in vertically integrated construction materials businesses. Prior to joining Hinkle, Ryan held various finance roles at Pennsy Supply Inc., a division of Oldcastle Materials in Harrisburg, PA. In his time away from the office, Ryan and his wife Bridgit are ambassadors for the National Kidney Foundation and Kentucky Organ Donor Affiliates raising awareness for kidney disease and organ donation.

Ryan received his Bachelor of Science degrees in Accounting and Business Administration from Pennsylvania College of Technology/Penn State University in 2000.

Ryan Buffington

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.

David Stephens

Sales Manager

David is the Sales Manager at Triple Crown Concrete, a Division of Hinkle Contracting. David has been with Hinkle since 2004 as Senior Aggregates Sales Engineer for Cumberland Quarries covering Southeast Kentucky, Tennessee and Virginia. In 2016, David was promoted to Assistant Sales Manager, then in 2017 he was promoted to Central Quarries Sales Manager covering Northeastern Kentucky. David has been in the Construction Industry over 20 years.

David attended Somerset Community College from 1989 to 1992 as a Telecommunication Major in Radio and Television Broadcasting.

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.

Tracey Bubnick

Safety Director

Tracey Bubnick is the Safety Director of Triple Crown Concrete, a Division of Hinkle Contracting Company, LLC. 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 is a Certified Mine Safety Professional.