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Vapor Intrusion Assessment and Remediation
Area-Wide Planning
Emergent Contaminants Investigation and Remediation
Environmental Systems Modeling
Agrochemical Fate & Exposure Modeling
Hydrology and Water Quality Modeling
Pesticide Risks to Endangered Species
Urban Hydrologic Systems
Climate Change Resilience Modeling
Environmental Model Development / Customization
Probabilistic Modeling / Uncertainty Analysis
Evaluating the Fate and Transport of Emerging Contaminants
Automated Probabilistic Co-Occurrence Assessment Tool (APCOAT)
Environmental Modeling Team Webinars
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Hydrology and Water Quality Modeling
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Who We Are
Our Team
Our Team
Leadership
John Hanzas
President / Senior Geoscientist
Michael Winchell
Vice President / Environmental Systems Modeling Service Leader / Senior Environmental Modeler
Ben Brayden
Agrochemical Fate & Exposure Service Leader / Senior Scientist
Katie Budreski
Geospatial & Data Solutions Team Leader / Senior GIS Developer
Les Carver
Senior Hydrogeologist
Jennifer Cypher
Foundation Team Leader / QA Manager
Nicholas Floersch
Technology Solutions Strategist / Senior GIS Developer
Peter Lazorchak, PE, LEED AP
Water Resources Management Service Leader / Senior Water Resources Engineer
Hendrik Rathjens, Ph.D.
Managing Director of European Operations / Senior Environmental Modeler
Jody Stryker, Ph.D.
Senior Manager / Senior Environmental Modeler
Daniel Voisin
Director of Environmental Assessment and Remediation Services / Senior Geologist
Staff
Chris Aragon
Front End Web Developer
Jared Ardman
Staff Water Resources Engineer
Meghan Arpino, CFM
Project Hydrologist
Savannah Bailey
Staff Scientist
Ian Barr
Accountant
Rudy Bentlage
Staff Geoscientist
Dave Braun
Senior Water Resources Scientist
Tracy Campbell
Staff Accountant
Sebastián Castro-Tanzi, Ph.D.
Environmental Modeler
Bernard Conrad
GIS Web Developer
Carleigh Cricchi
Marketing Manager
Jonnie Dunne
Environmental Modeler
Tim Dupuis
Staff Scientist
Chloe Eggert
Staff Scientist
John Farrell
Staff Scientist
Annemarie Fortune, AICP
Brownfields Program Manager
Paige Gebhardt, GISP
GIS Specialist
Nick Grant
Staff Scientist
Mary Haley
GIS Specialist
Alexander Huizenga, EIT
Water Resources Engineer
David Jensen, PE
Project Engineer
Jens Kiesel, Ph.D.
Environmental Modeler
Anastasia Koppi
Project Environmental Scientist
John Landis
Director of Computer Operations
Rachel Lightfoot
Project Agronomist
Amy Macrellis
Senior Water Quality Specialist
Julia Marcello
Staff Geologist
Branden Martin, PE
Water Resources Engineer
Ben Matthews
Senior River Scientist
Katrina Mattice, PE
Senior Engineer
Jacob Mitchell
Senior Agricultural Engineer
Dwayne Moore, Ph.D.
Senior Ecotoxicologist
Samantha Newton
Accountant
Christina Nick
Staff GIS Specialist
Kirsten Nielsen
UX / UI Designer
Barbara Patterson
Senior Database Applications Developer
Joanne Perry
Human Resources Manager
Marco Propato, Ph.D.
Environmental Modeler
Laura Rajnak
Project Scientist
Aaron Rice
Project Scientist
Hannah Rubin, Ph.D.
Environmental Modeler
Mara Saltzgueber
Payroll Administrator / HR Assistant
Kate Salvatori
Financial Controller
Alan Samel, MS
Senior Ecotoxicologist
Laura Sisco
Technical Writer / Project Scientist
Dave Smith
Marketing Associate
Michael Smith
Senior Hydrogeologist
Scott Teed
Senior Ecotoxicologist
Hunter Thiers
Office Coordinator
Brent Toth
Senior Scientist / Director of AgChem Operations
Rebecca Treat, PG
Senior Geologist
Jacob Vincent
Project Hydrogeologist
Jodie Wright
Staff Geologist
Serena Veilleux
Staff Geologist
Will Waterstrat
Project Geologist
