Peyman Tabatabaei is a senior forensic geotechnical engineer with more than 20 years of experience in geotechnical engineering, forensic investigation, construction disputes, and litigation support. He has worked on complex projects throughout Canada, the United States, and internationally, providing technical expertise on geotechnical failures, subsurface conditions, and construction-related claims.
Peyman specializes in slope instability, ground movement, retaining structures, drainage and groundwater impacts, differing site conditions, geohazards, and earthworks-related failures. He provides expert consulting services to legal counsel, insurers, contractors, owners, and public agencies on technically complex disputes involving buildings, infrastructure, industrial facilities, and energy projects.
His work often involves identifying failure mechanisms, evaluating the adequacy of geotechnical investigations, design and construction practices, assessing compliance with applicable standards, and developing defensible opinions regarding causation and responsibility. Peyman assists clients in understanding complex geotechnical issues, evaluating risk, and making informed decisions in the context of high-value claims and litigation.
Peyman has provided expert opinions and testimony in support of mediation, arbitration, litigation, and deposition proceedings. His experience spans the full project lifecycle, from planning and design through construction, performance assessment, and forensic investigation.
Peyman is licensed in multiple Canadian provinces and U.S. jurisdictions and is recognized for his ability to combine rigorous technical analysis with practical construction experience to deliver clear, objective, and defensible engineering opinions.
