
David L. Ross has over thirty years of expertise in Residential, Commercial, Institutional, and Public Works Construction Projects. He has the knowledge and experience required to be particularly successful in construction claims management and resolution. Mr. Ross has testified as a designated construction expert on numerous occasions and has consulted for owners, contractors, insurance companies, design firms, construction industry specialists, and law firms in a wide range of construction-related claims.
Troy V. Sutton provides full time Construction Consulting Support services for DRA. Mr. Sutton's responsibilities include reviewing contract related documentation (e.g. contracts, drawings, specifications, PCOs, Cos, RFIs, CPM schedules, Pos, invoices, procurement records, bid sheets, Pay Apps, engineer reports, testing reports, meeting minutes, correspondence, etc.), preparing claims documents for mediation, arbitration or litigation, and draft Dispute Review Board (Arbitrator/Mediator panel) opinions & recommendations on multi-million dollar public works projects.
| Engineering Investigations | |
Fire / Explosion Origin and Cause | Roofing Investigations |


Richard J. Long, PE, Founder and Chief Executive Officer of Long International has over 40 years of U.S. and international consulting experience involving construction contract disputes analysis and resolution, arbitration/litigation support and expert testimony, project management, engineering / construction management, cost and schedule control, and process engineering. As an internationally recognized expert in the analysis and resolution of complex construction disputes for over 25 years, Mr. Long has served as the lead expert on over 300 projects having claims ranging in size from US$100,000 to over US$1 billion.
Andrew Avalon, PE, PSP is President of Long International and has over 28 years of engineering, construction management and claims consulting experience. He is an expert in the preparation and evaluation of construction claims, business interruption claims, schedule delay analysis, arbitration/litigation support and dispute resolution. He has prepared more than thirty CPM schedule analyses, written expert witness reports, and supported attorneys in depositions, cross-examinations, mediations and settlement negotiations. Mr. Avalon has analyzed construction schedules for owners and contractors to determine the causes of construction delays and to equitably allocate responsibility for delay-related costs.
W. Tom Thweatt is a Principal with Long International and has over 40 years of engineering, construction, and management consulting experience. He has extensive experience in major U.S. and international refining, chemical, petrochemical, pipeline, infrastructure and thermal / hydroelectric power generation projects ranging from US$40 million to US$1.8 billion. He has worked extensively in projects that were executed by multi-national joint ventures on both the owner's and the contractor's sides. Mr. Thweatt has served on Joint Venture and Consortium Executive Committees and has participated directly in claims negotiations and settlement agreements in excess of US$100 million.
