John D. Zeirke, P.E.

John D. Zeirke, P.E. is a mechanical engineering expert specializing in accident reconstruction and vehicle fire analysis. With a career spanning mechanical inspections, product liability, and forensic investigations, he brings a comprehensive technical framework to litigation work. His work centers on investigating mechanical failures, assessing product liability claims, and evaluating whether industry standards were met in vehicle accident scenarios.

Mr. Zeirke has been retained in numerous expert witness and consulting engagements across the Midwest, involving vehicle accident reconstruction, fire investigations, and mechanical failure analysis. His Bachelor of Science in Mechanical Engineering from Marquette University, along with certifications such as NAFI CFEI & CVFI and ACTAR, 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 mechanical systems and vehicle accidents.