An expert toxicologist and emerging authority on practical nanotechnology safety and commercialization issues, Dr. David W. Hobson is chief scientific officer for nanoTox Inc. which is the only company to provide confidential risk assessment exclusively to nanotechnology concerns. Dr. Hobson has 30 years of experience in pharmacological and toxicological research, preparation of pharmaceutical and medical device submissions to regulatory agencies, as well as the design and oversight of safe working operations with highly hazardous substances