Harold E. McGowen III, PE

Harold E. McGowen III, PE is a petroleum engineering expert specializing in oil and gas exploration, hydraulic fracturing, and operational failures. With a career spanning leadership roles in engineering management, exploration, and production operations, he brings a strategic and technical framework to litigation work. His work centers on investigating engineering practices, assessing compliance with industry standards, and evaluating whether operational deviations contributed to failures.

Mr. McGowen has been retained in numerous expert witness and consulting engagements across the United States, involving cases of patent infringement, trade secret misappropriation, and securities litigation within the oil and gas industry. His Bachelor of Science in Mechanical Engineering from Texas A&M University, along with his designation as a Registered Professional Engineer, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving complex petroleum engineering issues.