Mr. Harold (Ed) E. von Dran Jr.

Harold E. von Dran Jr., PE is an Environmental Engineering expert specializing in environmental litigation and regulatory compliance. With a career spanning environmental program management, construction defect analysis, and regulatory negotiations, he brings a strategic framework to litigation work. His work centers on investigating environmental contamination, assessing regulatory compliance, and evaluating infrastructure design failures.

Mr. von Dran has been retained in numerous expert witness and consulting engagements across Texas, Arkansas, Louisiana, and beyond, involving environmental contamination cases, construction defects, and regulatory compliance disputes. His MS in Environmental Science, along with his Certified Energy Manager designation, 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 environmental impact assessments and facility design compliance.