Subject Matter Experts
Austin Heitmann
Operations Director - Real Time Air
Bob Finken
Air Quality Services
Daniel Fitzgerald
Emissions Testing
Michael Hutcherson
Air Quality Services
Kevin Crosby
Emissions Testing
Peter Pakalnis
Emissions Testing
Steve Yuchs
Emerging Technology
Peter Zemek
Advanced/Real-time Air Quality
Greg Burch
Refineries, Emissions Testing
Patrick Clark, P.E.
Ambient and Advanced/Real-time Air Quality
Peter Arth
Environmental Toxicology
Marcus Hueppe
Air Analysis
Alice Delia, PhD
Indoor Air Analysis
Bryan Vining, PhD
Laboratory Director
Jorge Caspary, PG
Senior Principal
Erika Houtz, PhD
Director, Contaminant Destruction Technologies
Dave Kempisty, PhD, PE
Director, Emerging Contaminants
Rock Vitale, CEAC
National PFAS Leader/Senior Principal Chemist
Martha Maier
PFAS Technical Expert
Tanya Jackson
LDAR Management and Program Improvement
Mark Richards
Chemical Sector
Paul Dumas
Oil & Gas Upstream | Midstream and Tank Maintenance
Terence Trefiak
Optical Gas Imaging
Jared Metcalf
OGI, Drones, and Advanced Technology
Timmerly Bullman, P.E., Ph.D.
Environmental Engineer
Kirk Kessler, PG
Environmental Remediation
Steve Kirschner, P.E.
Environmental Remediation
Rick Shoyer, LSRP
PFAS Remediation
Aaron G.B. Williams, Ph.D.
Environmental Engineering
Andy Bishop
Emerging Compounds Treatment
Marilyn Sinnett
Emerging Compounds Treatment
Steve Woodard
Emerging Compounds Treatment
Marnie Freer, LEL
Air Permitting & Compliance
Edward Krisnadi
Regulatory Consulting
Karl Lany
Environmental Permitting and Compliance
Penny McInnis, P.E.
Air Permitting & Compliance
Katrina Bagwell, P.E.
Dispersion Modeling
Tommy Sweat
Air Quality
Eric Cooper
Managing Director, Transaction Advisory
Caroline Stelling
Managing Director, Transaction Advisory
Jami Patrick
Sustainability and Climate
Elizabeth McGurk
Climate Impact, Methane, OGMP
Shaun Gilday, CPEA, PMP
Multimedia EHSS Regulatory Compliance
Mike Green, PH.D, MBA, CPEA
EHSS Audit and Compliance Programs
Dan Wilczynski
Process Safety Management (PSM)
Ron Huijsman
Sr Principal ESG/EHS Data Management