Stephen E. Petty, P.E., C.I.H., C.S.P is president and owner of EES Group, Inc. (www.eesgroup.us), a forensic engineering and environmental health and safety (EHS) corporation. EES Group, Inc. was founded in 1996; since that time, he has conducted or supervised thousands of forensic investigations and served as an expert witness in over 400 legal cases. Most recently, he has served as an exposure, Personal Protective Equipment (PPE), and warnings expert for the Monsanto Roundup and DuPont C8 cases. He practices in the fields of chemical, civil, environmental, and mechanical engineering as well as the field of industrial health and safety. Mr. Petty is also a recognized expert in the field of heating, ventilation, and air conditioning (HVAC) and a holder of nine U.S. Patents, eight of which are in the HVAC field. Mr. Petty is a member of the American Industrial Hygiene Association (AIHA), an associate member of the American Conference of Governmental Industrial Hygienists (ACGIH), and a member of the American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE), the American Institute of Chemical Engineers (AIChE), the Society of Automotive Engineers (SAE), and Sigma Xi.
