Search
Close this search box.

Bios

Meet our leadership and executive team.

We’re creating safe environments for all to enjoy, one property at a time. – Robert L. Zelley

Robert L. Zelley, PG, LSRP

Senior Principal Division Director - Environmental - Clinton Office

Mr. Zelley is a Senior Principal and Director of the firm’s Environmental Services at Colliers Engineering & Design. He is a hydrogeologist with over 28 years’ experience in environmental remediation and groundwater resources in the public and private sectors throughout the United States and in the Kingdom of Saudi Arabia. His experience has focused on Brownfields redevelopment, hydrogeologic evaluations, geotechnical investigations, permit compliance, site assessments, contaminant investigations, and corrective action programs at Fortune 500 industrial and commercial facilities. He also provides groundwater resource development for residential, industry, golf courses, and utilities. Mr. Zelley’s extensive experience with litigation support regarding contamination investigations and cost recovery and has been exercised through expert testimony as a hydrogeologist in New Jersey Superior Court and as an expert witness for numerous court cases that involved groundwater supplies impacted by industrial activities.

View Other Bios Return to About Page