Who We Are

DiGioia, Gray & Associates, LLC was founded in 2004 by Anthony M. DiGioia, Jr. Ph.D., P.E. and Richard E. Gray, P.G.   Prior to forming DiGioia Gray, Dr. DiGioia and Mr. Gray were two of the founders of GAI Consultants, Inc., where for 38 years, Dr. DiGioia served as Chairman and President and Mr. Gray as Senior Vice President of Technical Operations.
Dr. DiGioia is a leader in the development of structural loading criteria for the design of electric transmission lines. He has conducted extensive foundation research and has been a leader in the development and use of reliability-based design and analysis concepts as applied to transmission line structures and foundations. Dr. DiGioia has extensive experience in the siting and design of coal-combustion product (CCP) landfills and the beneficial use of CCP’s in large tonnage applications, such as roadway embankments and pavements, backfills, site development and airport fills. Dr. DiGioia is currently an adjunct professor in the Civil and Environmental Engineering Department at Carnegie-Mellon University. Because of his accomplishments, he received the prestigious Metcalf Award from the Engineers’ Society of Western Pennsylvania in 1998.
Mr. Gray is a specialist in soil and rock mechanics, engineering geology, and foundation engineering. His consulting experience includes numerous geotechnical studies for large industrial developments, such as steel mills and fossil fuel, hydroelectric, and nuclear power plants. Mr. Gray is internationally recognized for his work in subsidence engineering. For his achievements in the field of engineering geology, he was awarded the Geological Society of America (GSA) – Engineering Geology Division’s Meritorous Service Award and is an Honorary Member of the Association of Environmental & Engineering Geologists.
For their achievements in the field of civil engineering, Dr. DiGioia and Mr. Gray were named Distinguished Members of the American Society of Civil Engineers (ASCE), an honor bestowed on only 530 members of ASCE since the society was founded in 1852. DiGioia Gray’s founding principles share a common emphasis on quality work, client service, reliability, respect, and integrity – values that are central to the DiGioia Gray business philosophy. These values, along with an objective to meet schedules, commitments and an ability to provide innovative solutions to the most difficult challenges, have earned DiGioia Gray and in particular, Dr. DiGioia and Mr. Gray, a reputation for excellence. They have assembled an excellent team of professionals with these same values. Our team members become fully involved with our clients and have the knowledge, capability, and capacity to meet the challenges of industry with service solutions that are timely, cost effective, and of the highest quality.