Doug Rush, CIH, CSP, CHMM, OHST, MSc Expert Witness
Curriculum Vitae

Certified Industrial Hygiene or Hygienist (CIH)

Contact this Expert Witness


Specialties & Experience of this Expert Witness

General Specialties:

Industrial Hygiene and Safety

Keywords/Search Terms:

Warnings & Labels, IAQ, Products Liability, Covid, Indoor Air Quality, Toxicology, Asbestos, Environmental, Mold, Legionella, Pesticides, Dermal Assessment, Exposure, Occupational Hygiene, COPD, Forensic Science, Environmental Engineering, Job Hazard Assessment, OSHA, Safety

Education:

MSc. Environmental Studies, ; BS Industrial Management, ; BS Business Administration, ; AS Applied Science,

Years in Practice:

47

Additional Information

Summary of Experience Board-Certified HSE Expert | Industrial Hygiene & Forensic Exposure Analysis I am a highly credentialed Health, Safety, and Environmental (HSE) expert with over 35 years of experience and a unique background spanning military leadership, corporate consulting, and forensic investigation. As a CIH, CSP, and CHMM. I provide specialized technical analysis and expert testimony regarding complex injuries and illnesses stemming from chemical, biological, and physical hazards. My forensic expertise focuses on the reconstruction of current and historical exposures to high-stakes substances, including asbestos, benzene, welding fumes, lead, mold, and pesticides. I have a proven track record of managing multidisciplinary teams of doctors, engineers, and scientists to investigate workplace incidents and product liability claims. A retired USAF Chief Master Sergeant (CMS) and former Superintendent Industrial Hygienist, I bring a level of discipline, leadership, and technical precision honed over 20 years of global military service. Having founded and scaled three full-service consulting firms, I offer a sophisticated understanding of both the technical "boots-on-the-ground" data and the high-level business implications of HSE failures. Litigation Support: I am an experienced forensic investigator adept at providing clear, defensible written reports and oral deposition testimony for both plaintiff and defense counsel in complex litigation. Major Accomplishments -Elite Board Certifications: CIH, CSP, CHMM, and Asbestos Consultant. -Military Leadership: Served as USAF Chief Master Sergeant (CMS) / Superintendent; directed global HSE programs for 20+ years. -Corporate Founder: Founded and managed three successful HSE consulting and engineering firms with up to 40 professional staff. -International Scope: Extensive experience managing professional service delivery and incident response across international borders for Global 2000 companies. -Advanced Education: M.S. in Environmental Studies; Dual B.S. in Industrial Management and Business Administration.