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Meet the HPE Team
Piotr Chmielinski
Consulting, Management

Piotr Chmielinski

Piotr Chmielinski is a Board Certified Industrial Hygienist (CIH) with more than 25 years of experience. He is certified by the American Board of Industrial…

Brent Sharrer
Consulting

Brent Sharrer

Brent Sharrer is a Board Certified Industrial Hygienist (CIH) and Director of the Industrial Hygiene division at HPE. Brent has been with HPE for…

Kent Campbell
Consulting

Kent Campbell

Kent Campbell is a Certified Professional Geologist (CPG) and the Director of Site Assessment, Monitoring & Compliance Division at HP Environmental. As a professional…

John Pfaff
Laboratory

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…

Jonathon Hall
Consulting, Laboratory

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…

Ray Petrisek
Consulting, Laboratory

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…

Jason Edwards
Consulting

Jason Edwards

Jason Edwards serves as Senior Project Manager in HPE's Industrial Hygiene division. He is responsible for managing and conducting environmental testing as well as…

Carla Napier
Laboratory

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…

Katherine Nelson
Consulting

Katherine Nelson

Katherine Nelson has held the position of Assistant to the Director of Industrial Hygiene at HP Environmental since joining in 2016. She oversees daily office…

Alex Smalley
Consulting

Alex Smalley

Alex Smalley holds the title of Assistant Project Manager at HP Environmental. He has practiced multiple facets of industrial hygiene over the past eight…

Jesse Sanders
Consulting

Jesse Sanders

Jesse Sanders is a professionally trained geochemist and environmental consultant with five years of experience in environmental consulting and engineering geology. His duties at…

Josh Bostic
Laboratory

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…

Paul Woodward
Consulting

Paul Woodward

Paul Woodward holds the position of Certified Industrial Hygienist at HP Environmental. He has over nine years of experience working in the field of…

Max Chmielinski
Consulting

Max Chmielinski

Dr. Maximilian Chmielinski completed his PhD at the University of Washington researching ultraviolet (UV) radiation exposure in agricultural workers under the supervision of Dr.…

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