Gary Tiedeman

Division Manager

Environmental Emphasis

Mr. Tiedeman is a geologist and project manager with over 30 years’ experience in environmental investigations, compliance, remediation, and closure for the industrial and federal sectors. He has assisted in environmental due diligence projects for transactions involving portfolios of industrial sites, oil and gas production sites, and commercial sites. His environmental investigation and remediation experience include petroleum pipelines, refineries, petrochemical plants, federal air force facilities, oil field sites, and other industrial and manufacturing facilities.


Bachelor of Science in Geology; Texas A&M University

Affiliations and Activities

Professional Affiliations

2018 Environmental Committee San Antonio Manufacturer’s Association (SAMA)