Skip to navigation
Skip to content
Search
Contact
Careers
Our Expertise
Agricultural Stewardship
Edge-of-Field and Conservation Practice Monitoring
Agricultural Conservation Practice Design
Agrochemical Fate & Exposure
Pollinator Services
Risk Assessment
Environmental Modeling
Field Studies
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
High Resolution Site Characterization (HRSC)
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
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
Hydrogeologic Evaluation / On-site Wastewater Management
Stormwater Retrofit Design
TMDL Implementation Support
Ecosystem Restoration
Regulatory Support
Federal Regulations
State Regulations
Litigation Support
Quality Assurance
GLP Program
Environmental QA Program
Training Programs
Who We Serve
Private Sector
Crop Protection
Commercial Developers
Site / Property Owners
Environmental Consultants and Engineers
Food Processing and Value-Added Agriculture
Electric Utilities
Government
Federal Government
State Government
Local Government & Regional Planning Commissions
NGOs / Nonprofits
Community-Based Organizations
Watershed Protection Organizations
University Research Centers
How We Work
Innovation & Creativity
Scientific Integrity
Respect & Professionalism
Focus On Client Needs
Focus On Quality
Results-Oriented
Thought Leadership
Who We Are
Our Mission / Vision / Values
Our Culture
Our History
Our Team
Our Board of Directors
Employee-Owned
Contact
Careers
News & Insights
Events
News
Resource Library
Home
Who We Are
Our Team
Our Team
Leadership
John Hanzas
President / Agrochemical Fate & Exposure Service Leader / Senior Geoscientist
Michael Winchell
Vice President / Environmental Systems Modeling Service Leader / Senior Environmental Modeler
Barbara Patterson
Geospatial and Data Solutions Service Lead / Senior Database Developer
Daniel Voisin
Senior Geologist / Director of Environmental Assessment and Remediation Services
Dave Braun
Water Resources Management Service Leader / Senior Water Resources Scientist
Les Carver
Foundation Team Leader, Senior Hydrogeologist
Staff
Gabe Bolin, PE
Senior Water Resources Engineer
Ben Brayden
Project Scientist / Director of AgChem Business Development
Nicholas Floersch
Senior Web / GIS Application Specialist
Alan Hammersmith
Senior GIS Web Applications Developer
Gaylen Jones, Ph.D.
Senior Scientist
Peter Lazorchak, PE, LEED AP
Senior Water Resources Engineer
Amy Macrellis
Senior Water Quality Specialist
Jacob Mitchell
Senior Agricultural Engineer
Hendrik Rathjens, Ph.D.
Senior Environmental Modeler
Lee Rosberg
Project Geologist
Michael Smith
Senior Hydrogeologist
Jody Stryker, Ph.D.
Senior Environmental Modeler
Brent Toth
Senior Scientist / Director of AgChem Operations
Chris Aragon
Front End Web Developer
Meghan Arpino
Project Hydrologist
Sebastián Castro-Tanzi, Ph.D.
Environmental Modeler
Heather Cox
Staff GIS Ecologist
Carleigh Cricchi
Marketing Director
Jennifer Cypher
Quality Assurance Manager
Jonnie Dunne
Environmental Modeler
Evan Johnson
Marketing Associate/Content Manager
Hisashi "Hisa" Kominami
Staff Scientist
John Landis
Director of Computer Operations
Rachel Lightfoot
Project Agronomist
Katrina Mattice, PE
Project Engineer
Branden Martin, PE
Water Resources Engineer
Bettina Miguez
Environmental Modeler
Rebecca Mitchell
Staff Scientist
Samantha Newton
Accountant
Joanne Perry
Human Resources / Office Administrator
Marco Propato, Ph.D.
Environmental Modeler
Laura Rajnak
Staff Scientist
Aaron Rice
Staff Scientist
Warren Rich
Project GIS Specialist
Kate Salvatori
Financial Controller
Laura Sisco
Staff Scientist/Technical Writer
Matthew Schley, PE, CERP
Water Resources Engineer
Sandra Walser
Staff Scientist
Martin Weiser
Project Geoscientist
