Mr. Ungers is certified by the American Board of Industrial Hygiene in the comprehensive practice of industrial hygiene. He is a member of the American Academy of Industrial Hygiene, the American Industrial Hygiene Association, the American Conference of Governmental Industrial Hygienists, British Occupational Hygiene Society, and the Society of Toxicology.

He has over 40 years of experience providing environmental and industrial hygiene services to both industry and government. This experience includes providing consultation to several large private companies and Fortune 500 firms, the National Institute for Occupational Safety and Health (NIOSH), the Occupational Safety and Health Administration (OSHA), and the Environmental Protection Agency (EPA). Mr. Ungers has conducted more than 500 audits of commercial and industrial facilities. This experience includes the on-site inspection and workplace air testing of operations ranging from single processes to complex industrial operations. He has authored over 40 scientific articles and publications on risk assessment, product testing, and industrial and environmental hygiene. He has also been a contributing author to two books on hazardous emissions from industrial operations. He is a frequent speaker at conferences on workplace and environmental exposures. Mr. Ungers has been qualified as an expert witness on several environmental, health, and safety subjects.

Holder of European and US patents on an exposure control device for use in the field of surgical medicine. Recognized for Excellence in Science by the Assistant Surgeon General of the National Institute for Occupational Safety and Health, Centers for Disease Control.