• B.S., Civil Engineering, Virginia Military Institute

  • MBA, Georgia State University

  • Licensed Professional Engineer, Georgia
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John Orrison is the former Managing Principal and the Senior Vice President of Draper & Associates' (Draper) Construction Services Division. He is now providing principal consulting services to Draper & Associates. Mr. Orrison is a supervising construction manager and senior contracts administration specialist with more than 45 years experience in construction management, project control and contract strategies. In addition, Mr. Orrison has performed as an expert witness and claims analyst for major design and construction issues.


Mr. Orrison's background includes extensive experience in managing multi-disciplined, complex projects. He was both a design manager and construction manager for the $2 Billion Metropolitan Atlanta Rapid Transit Authority construction program. He served as Area Construction Manager for the Pittsburgh Light Rail Rapid Transit System, was Manager of Design and Construction for a South Carolina development company, served as Principle-in-Charge and Board Chairman for the pre-Olympic $100 Million renovation of the Hartsfield Atlanta International Airport terminal and concourses and was Project Manager for a five tunnel renovation project in Tennessee, an eight mile interstate widening in North Carolina and a multi-use transit facility in Greenville, South Carolina.

In addition to his extensive technical management background Mr. Orrison has been called upon to act as a senior advisor for design and construction strategies on major domestic and international projects. His international engagements include developing the contracting and construction oversight strategies for the Saó Paulo, Brazile Metro's $2 Billion (U.S.) Line 5 privatization design/build project, advisor to the Aruba Aviation Authority and master scheduler for the Kaohsiung (ROC) Metro Transit System.

Mr. Orrison has been a guest lecturer in construction management and claims for the Georgia Institute of Technology and the Southern Technical Institute. Other teaching assignments include serving as an instructor in concrete design for Georgetown, Delaware Technical and Community College and Chief Instructor for Roads and Airfield design at the U.S. Army Engineer School, Ft. Belvoir, Virginia. Additionally, Mr. Orrison has conducted numerous seminars in Construction Management, Scheduling and Disputes Resolution including presentations for the Houston Transit Authority, Hawaii Department of Transportation, Hawaii General Services Administration and United States General Services Administration.

He has also provided expert witness testimony and reports for cases in State, Federal and International venues. He has been involved as an analyst, negotiator and expert in construction claims with a total value of more than $1 Billion.

Mr. Orrison is familiar with Alternate Disputes Resolution techniques. He has served as an Arbitrator, member of a Disputes Review Board, and a Partnering Facilitator.

Professional Societies

  • Society of American Military Engineers (SAME)
  • American Arbitration Association (AAA)
  • National Society of Professional Engineers (NSPE)


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