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Agricultural Stewardship
Edge-of-Field and Conservation Practice Monitoring
Agricultural Conservation Practice Design
Agrochemical Fate & Exposure
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Risk Assessment
Environmental Modeling
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AgChem Spatial Analysis
Quality Assurance
Environmental Assessment & Remediation
Brownfield Redevelopment
Remedial Investigation / Feasibility Studies
Polychlorinated Biphenyls (PCBs) Assessment and Remediation
Remedial Design & Implementation
Environmental Due Diligence
Development Soils Management
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)
Geospatial & Data Solutions (GIS)
Spatial Analysis & Statistics
Application Development
Web Application Hosting
Locational Analytics
Mobile Data Solutions
Data Discovery, Access, Transparency, and Aggregation
Data Visualization
ArcGIS Online
Water Quality
Stormwater Assessment & Permitting
Watershed Planning
Water Quality & Flow Monitoring
Illicit Discharge Detection & Elimination (IDDE)
Hydrology and Water Quality Modeling
Community and Commercial Wastewater Solutions
Stormwater Retrofit Design
TMDL Implementation Support
Ecosystem Restoration
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Federal Regulations
State Regulations
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GLP Program
Environmental QA Program
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Private Sector
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Who We Are
Our Team
Our Team
Leadership
Dave Braun
Water Resources Management Service Leader / Senior Water Resources Scientist
Les Carver
Foundation Team Leader, Senior Hydrogeologist
John Hanzas
President / Agrochemical Fate & Exposure Service Leader / Senior Geoscientist
Daniel Voisin
Senior Geologist / Director of Environmental Assessment and Remediation Services
Barbara Patterson
Geospatial and Data Solutions Service Lead / Senior Database Developer
Michael Winchell
Vice President / Environmental Systems Modeling Service Leader / Senior Environmental Modeler
Staff
Chris Aragon
Front End Web Developer
Meghan Arpino, CFM
Project Hydrologist
Gabe Bolin, PE
Senior Technical Advisor, Stream Engineering
Ben Brayden
Senior Scientist / Director of AgChem Business Development
Tracy Campbell
Staff Accountant
Sebastián Castro-Tanzi, Ph.D.
Environmental Modeler
Carleigh Cricchi
Marketing Director
Jennifer Cypher
Quality Assurance Manager
Jonnie Dunne
Environmental Modeler
Chloe Eggert
Staff Scientist
Nicholas Floersch
Senior Web / GIS Application Specialist
Annemarie Fortune
Brownfields Program Manager
Paige Gebhardt
GIS Professional
Mary Haley
GIS Specialist
Alan Hammersmith
Senior GIS Web Applications Developer
Alexander Huizenga, EIT
Water Resources Engineer
Amy Macrellis
Senior Water Quality Specialist
Jacob Mitchell
Senior Agricultural Engineer
Hendrik Rathjens, Ph.D.
Senior Environmental Modeler
Michael Smith
Senior Hydrogeologist
Jody Stryker, Ph.D.
Senior Environmental Modeler
Brent Toth
Senior Scientist / Director of AgChem Operations
Evan Johnson
Marketing Associate/Content Manager
Jens Kiesel, Ph.D.
Environmental Modeler
John Landis
Director of Computer Operations
Peter Lazorchak, PE, LEED AP
Senior Water Resources Engineer
Rachel Lightfoot
Project Agronomist
Katrina Mattice, PE
Project Engineer
Branden Martin, PE
Water Resources Engineer
Bettina Miguez
Environmental Modeler
Samantha Newton
Accountant
Joanne Perry
Human Resources / Office Administrator
Aaron Rice
Project Scientist
Marco Propato, Ph.D.
Environmental Modeler
Laura Rajnak
Staff Scientist
Kate Salvatori
Financial Controller
Mara Saltzgueber
Administrative Assistant
Laura Sisco
Staff Scientist/Technical Writer
Rebecca Treat, PG
Senior Geologist
Cameron Twombly, EIT
Stream Restoration Engineer
Sandra Walser
Staff Scientist
Jodie Wright
Staff Geologist
