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Providing Counsel in Toxicology and Risk Assessment

Areas of Expertise

  • Risk-Based Corrective Action (RBCA)
  • Alcohol and Drug Toxicology
  • Risk assessment/Risk Communication
  • PCBs and Dioxin Toxicology/Risk Assessment
  • Litigation Support and Expert Witness Services
  • Product Safety and occupational exposure Assessments
  • Indoor Air Quality Assessment
  • Presenting Complex Scientific Issues to Non-Scientists
  • Lecturing in Toxicology and Risk Assessment


  • 30 years in the Field of Toxicology
  • 20 years as Toxicology Professor
  • 10 years in environmental risk assessment
  • 20 years as Expert Witness/Litigation Support


  • B.S. Pharmacy Drake University, 1963
  • M.S. Pharmacology, Univ. of Iowa, 1965
  • Ph.D. Pharmacology, Univ. of Iowa, 1967

Memberships and Certifications

  • Board certified by American Board of Toxicology 1980-present
  • Society of Toxicology (treasurer 1985-1989)
  • American Society of Pharmacology and Experimental Therapeutics
  • American Chemical Society
  • Society of Risk Analysis
  • Society of Environmental Toxicology and Chemistry