John Pfaff
John Pfaff serves as HP Environmental's Director of Environmental and Industrial Hygiene Chemistry. With more than 25 years of experience as an accomplished analytical chemist and laboratory manager, John's expertise…
Jonathon Hall
Jonathon Hall is the Director of Environmental Microbiology and a Board Certified Industrial Hygienist (CIH) with over 10 years of experience investigating and consulting on indoor air quality and industrial…
Ray Petrisek
Raymond Petrisek serves as a senior microbiologist and infectious disease microbiologist at HP Environmental. He is certified by the American Society of Clinical Pathology (ASCP), both as a medical technologist…
Carla Napier
Carla Napier serves as a microbiologist at HP Environmental where she manages SARS CoV-2 genetic testing, Legionella spp. culturing, potability testing, total fungal spore counting, and unique project work including…
Josh Bostic
Josh serves as an analyst in environmental chemistry and microbiology at HP Environmental. He is a WELL Accredited Professional and Fitwel Ambassador. With extensive experience in biochemistry, immunochemistry, and geochemistry…