Greg Ashman, CHMM

Greg is currently president and senior instructor for Professional Training Associates, Inc. (PTA) . He conducts a wide variety of courses on topics such as Hazwoper, DOT Hazmat, Asbestos, Lead- Based Paint, RCRA, and Confined Space Entry and many others. Greg is also an authorized OSHA construction outreach instructor and recognized in the states of Pennsylvania and West Virginia by consultants, contractors and regulatory agencies as an expert in the field.

John Curcio

John's career in the EH&S industry started 21 years ago as a staff engineer and project manager. Spending some time in the public sector as an environmental specialist for the Housing Authority City of Pittsburgh, John gained valuable knowledge in the industry, that led him back to the private sector. John's background in construction oversight and environmental contract administration is of incomparable value in the training room. Currently John serves as vice-president and senior instructor and manages PTA's quality control program.

Bill Tomlinson, CHMP

Over the last 24 years, Bill has worked in a variety of sectors in the health & safety and environmental fields including industrial hygiene and environmental issues management for two Fortune 500 companies. Currently, Bill serves as vice-president and senior instructor for PTA and conducts a wide array of courses including hazwoper, OSHA construction outreach, EPA/OSHA asbestos and lead-based paint as well as many others. Bill is also responsible for PTA's information systems.