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Erik B. Wetzler
Erik B. Wetzler

Managing Director

Alexander Billy
Alexander Billy

Managing Director

Serkan Sengul
Serkan Sengul

Senior Managing Director

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Don Heim

Managing Director, Compliance & Regulatory Services

Don Heim is the Managing Director for the Air Quality services division. Mr. Heim has extensive experience in the environmental industry including coordination and performance of Environmental Audits, Hazardous Materials Building Inspections, Indoor Air Quality Studies, and Asbestos Air Monitoring. He has a working knowledge of environmental regulations and a specialty in asbestos throughout all U.S. jurisdictions. Mr. Heim has successfully coordinated, managed, and/or performed environmental consulting services associated with “turn-key” projects in the renovation of high-rise office buildings, financial institutions, healthcare facilities, universities, industrial sites, and retail shopping centers.

Education & Certification

B.A., Psycho-Biology, Temple University