Jason Mosman


Regional Consultant


Jason Mosman has over twenty-three years of experience providing environmental, health, and safety, industrial hygiene, building sciences, and due diligence consulting services to the private and public sectors. Mr. Mosman has numerous certifications throughout the United States for asbestos, lead, microbial, and fire and smoke consulting. His experience includes assessing impacts from a wide range of environmental conditions and developing effective remediation /restoration protocols to address any identified impacts or conditions of concern, including but limited to fire and smoke, water and mold/bacteria, indoor air quality (IAQ), and hazardous materials/constituents (combustion byproducts, microbial growth, asbestos, lead, heavy metals, VOCs, etc.). Mr. Mosman has successfully designed, planned, coordinated, managed, reviewed, and completed environmental services on projects of all sizes, from small single-family residences to large facilities, and extensive portfolios. His knowledge and experience have allowed him to develop and implement cost-effective solutions to some of the most complex environmental issues.


  • CFSC | CFSC - Certified Fire and Smoke Consultant
  • CIEC | CIEC - Certified Indoor Environmental Consultant
  • CAC | CAC - Certified Asbestos Consultant
  • Certified Lead Inspector/Risk Assessor

Representative Consulting Assignments

  • Commercial Warehouse | Fire and Smoke Damage
  • Multi-Family Residential | Water Damage Site Assessment, Restoration Protocol and Post Remediation Verification (PRV)
  • Commerical Office Building | Microbial Remediation Oversight
  • Large Portfolio Consisting of Multi-Family and Single-Family Residential Properties and Commerical Buildings/Strip Malls | Wildfire Impacts Site Assessments and Restoration Protocols
  • Large Single Family Residential | Smoke Assessment, Asbestos and Lead Survey and Water/Moisture Investigation with Microbial Sampling

Professional Experience

  • 2023 - Current | Regional Consultant, Environmental Services | YOUNG & Associates
  • 2018 - 2023 | Senior Consultant and Environmental Health and Safety Southwest Area Lead | J.S. Held
  • 2009 - 2018 | Project Manager / Environmental Consultant | Excel Environmental, LLC
  • 2004 - 2009 | Project Manager / Environmental Consultant | Golder Associates
  • 2001 - 2004 | Project Manager / Environmental Consultant | Patriot Environmental Laboratory Services


  • California State University, Fullerton - Bachelor of Science - Biological Science - Fullerton - California


  • American Council of Accredited Certification (ACAC) - Fire and Smoke Board Member (2023 - 2024)