William M. Carnes, PE
President and CEO
Mr. Carnes founded Hillis-Carnes Engineering Associates, Inc. in 1989 along with Mr. Richard Hillis, PE. While at his previous firm, Mr. Carnes was a Vice President in the Geotechnical Engineering Division. He developed the use of advanced in-situ testing techniques and was the geotechnical engineer of record on many landmark projects in the mid-Atlantic region. The two founders together left the large national firm and brought with them the best and brightest young engineers and project managers to form a firm that was focused on client service and value engineering in geotechnical engineering.
Mr. Carnes earned his Bachelor of Science in Civil Engineering from the University of Maryland in 1974 and an MSCE in Geotechnical Engineering from The George Washington University in 1980.
Robert T. Skepton
Senior VP and CFO
Mr. Skepton joined Hillis-Carnes Engineering Associates shortly after its founding in 1989 where he worked for four years as a field engineering technician and drillers assistant. He then worked in marketing and business development for the firm until 1997 when he took over the position as branch manager of the Salisbury, Md., office. In 2000, he advanced to the role of information technology director where he built a team that designed and developed the company’s current web-based project management, lab and financial systems. He rose to the role of CFO in 2007 and was appointed senior vice president in 2015.
Mr. Skepton earned his B.A. in Foreign Languages and Linguistics from Towson University and an M.S. in Information Systems Management from UMBC. He also holds a CISSP certification and is a member of Institute of Management Accountants.
Timothy B. Hill, PE
Senior VP and COO
Mr. Hill joined Hillis-Carnes more than 20 years ago as the testing manager at the main office in Annapolis Junction. He was named director of operations in 2004 and then appointed COO in 2012. During this time, he oversaw the expansion of the company. Mr. Hill has been directly involved with many landmark projects, such as M & T Bank Stadium, Heinz Field in Pittsburgh, the Washington Nationals ballpark, the Washington Convention Center, and the Marriott Marquis Hotel in Washington, to name a few.
Mr. Hill earned a Bachelor of Science degree in Civil and Environmental Engineering from Clarkson University in 1980, followed by certification in concrete technology from the University of Milwaukee, Wisconsin, in 1988, and Professional Project management courses through the Associated Soil and Foundation Engineers in 1991. He is a member of the Maryland Building Industry Association and Washington Area Council of Engineering Laboratories.