Mr. Vallez is a Senior Principal with Long International. He has over 40 years of hands-on and leadership experience in project management, engineering/construction management, cost and schedule control, change management, claims, and dispute resolution. He has served in executive management roles for both owners and contractors working on world-class oil and gas, power, and international mining projects.

Mr. Vallez has a proven ability to organize, integrate and manage the work of multidisciplined technical specialists and project construction teams to achieve corporate financial goals and objectives of return on investment, safety, operational performance, cost, and time. He has been involved in leading top teams toward achieving compliance with project requirements as defined in project documents. For the third largest contractor in the U.S., Mr. Vallez developed a zero defect program (“BEST” Program) to improve project quality and completion. In all, he has provided leadership on several billion dollars’ worth of projects in the chemical, heavy civil, mining, power, oil and gas, industrial, and commercial sectors. Mr. Vallez specializes in the analysis of project execution plans, cost and schedule overruns, safety incidents, project team performance issues, and technical and economic project feasibility. He provides expert witness testimony on the root causes of delays and cost overruns, cumulative impacts, forensic accounting, best practices for meeting schedule, budget and operating results. He has written several books on the subjects of construction management, safety, and effective project leadership.


M.B.A., University of Utah, 1983
B.S., Civil Engineering, Michigan Technological University, 1975


Registered Professional Engineer, Utah (No. 160927-2202)


Lean Six Sigma, 2014


Construction Specifications Institute
American Society of Civil Engineers
Project Management Institute
Construction Management Association of America
International Society of Explosive Engineers

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