Leon Allan Kappelman, PhD

Leon Allan Kappelman, PhD is a Software Engineering and Human Factors expert specializing in software disputes and intellectual property litigation. With a career spanning software project management, software development, and quality assurance, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating software defects, assessing project management methodologies, and evaluating whether software implementations meet contractual obligations.

Mr. Kappelman has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to software intellectual property, ERP systems, and SaaS disputes. His PhD in Business Administration from Georgia State University, along with his MBIS and BA degrees, 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 software quality and project management.