Gary M. Mullings

Senior VP of Operations & Compliance

900 Spring Street

Silver Spring, MD 20910

gmullings@nrmca.org

1-888-846-7622, x1161

Gary M. Mullings is the Senior Vice President of Compliance and Operations for the National Ready Mixed Concrete Association in Silver Spring, Maryland.  He serves as the staff liaison to the Operations, Environmental & Safety Committee which includes issues pertaining to fleet and plant operations as well as compliance issues dealing with environmental and safety. He also coordinates the Association’s Fleet Benchmarking Program, Driver of the Year Program, and the Annual Operations, Environmental and Safety Forum & Expo.

Mr. Mullings has more than 30 years of service for the National Ready Mixed Concrete Association. For the majority of his career he has been Manager of the NRMCA Research Laboratory in College Park, Maryland and is author of numerous technical papers and trade publication articles. Mr. Mullings attended the University of Maryland. He is a Certified Concrete Technologist. He is one of the principal instructors for the NRMCA Technical Short Course on Concrete and Aggregates, NRMCA Safety Course, NRMCA Dispatcher’s Forum and has been one of the primary developers of NRMCA’s Plant Manager Certification Program .

He is a member of the American Standards of Testing Materials (ASTM) and is the chairman of the Concrete Density Task Group. He is also a member of the American Concrete Institute (ACI), the National Safety Council, and the ATA Maintenance Council. Mr. Mullings has also been a frequent speaker for numerous state DOT and association meetings.

David Ayers

Managing Director of Compliance & Safety

900 Spring Street

Silver Spring, MD 20910

dayers@nrmca.org

1-888-846-7622, x1155

David Ayers is the Managing Director of Compliance and Safety and a certified safety professional and certified hazard materials manager, joined NRMCA in 2007 after seven years with National Semiconductor, most recently as facilities and environmental, health and safety manager.

In addition to his experience at National Semiconductor, Ayers served as environmental, health and safety manager of Delta Chemical Corp. and Grant Geophysical. He holds a Bachelor of Arts degree in geography and a Master of Science in safety management from West Virginia University. He has also earned an MS in environmental management from the University of Maryland.

Ayers works closely with NRMCA’s team of professionals responsible for the often overlapping areas of government affairs, engineering, codes and standards, and education and training.

Karen Bean

Engineering & Operations Coordinator

900 Spring Street

Silver Spring, MD 20910

kbean@nrmca.org

1-888-846-7622, x1168

Karen Bean is the Engineering and Operations Coordinator.  She supports the engineering department and maintains the technical library. She does plant and truck certifications as well as the Green-Star certification program.  She also supports the NRMCA Concrete Technology Training and Certification (Short Course).  She supports the NRMCA Annual ConcreteWorks Forum and Expo, the Research, Engineering and Standards (RES) Committee, and the Operations, Environmental and Safety (OES) Committee.

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