John Pfaff
Director of Environmental & Industrial Hygiene Chemistry
John Pfaff serves as HP Environmental's Director of Environmental and Industrial Hygiene Chemistry. With more than 25 years of experience…
Jonathon Hall
Director of Environmental Microbiology
Jonathon Hall is the Director of Environmental Microbiology and a Board Certified Industrial Hygienist (CIH) with over 10 years of…
Ray Petrisek
Senior Microbiologist
Raymond Petrisek serves as a senior microbiologist and infectious disease microbiologist at HP Environmental. He is certified by the American…
Carla Napier
Microbiology Laboratory Assistant
Carla Napier serves as a microbiologist at HP Environmental where she manages SARS CoV-2 genetic testing, Legionella spp. culturing, potability…
Josh Bostic
Analyst in Environmental Chemistry and Microbiology
Josh serves as an analyst in environmental chemistry and microbiology at HP Environmental. He is a WELL Accredited Professional and…