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Bill Clarke, PG

J.S. Held Acquires Shechter & Everett to Expand Forensic Accounting Capabilities for Family Law Disputes in Florida

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Donald "Bill" Clarke, PG, joined J.S. Held in May of 2026 as part of J.S. Held's acquisition of Clark Seif Clark, Inc

Bill brings over 30 years of diversified environmental consulting experience for a wide range of clients, including State and local municipalities and governmental agencies, the federal government (EPA, DOD, USDA), and numerous commercial/industrial clients. As Project Manager, he has completed an array of projects, including assessments, removals, facility decontamination, and site closures, and is responsible for all phases of project coordination, including project scoping and costing, budget tracking, technical review, and client service.

Bill has a B.S. in Geology from California State University, Northridge. 

Key Expertise

  • Program & Project Management
  • Hydrogeologic & Hazardous Materials Investigations
  • Remedial Investigations & Feasibility Studies
  • Regulatory Interface & Negotiation
  • Project Scopes & Costs
  • Facility Decommissioning & Decontamination
  • Real Estate Transactions & Property Development
  • Phase I and II Environmental Site Assessments
  • Hazardous Waste Characterization

Professional Registrations

  • 6627 / CA [State of California Professional Geologist License] (1996 - Present)

Professional Affiliations, Memberships, and Trainings

  • 40 Hour HAZWOPER Hazardous Waste Site Training Course, OSHA 29 CFR 1910.120(e)(3), Weston, 1991
  • 8-Hour Hazardous Waste Refresher Course, OSHA 29 CFR 1910.120€(8), Annual
  • 8-Hour Site Health and Safety Coordinator Course, OSHA 29 CFR 1910.120€(4), Weston, 1992.

J.S. Held is recognized as an ENR Top 200 Environmental Consulting Firm and industry leader in the Verdantix Green Quadrant for Sustainability & ESG Consulting.