Our Key Staff
Scott Lewis, PG
President
Senior Principal Geologist
- Well Site Investigations
- Well Design and Rehabilitation
- Construction Management
Will Halligan, PG
Vice President
Senior Principal Hydrogeologist
- Hydrogeologic Investigations/Characterization
- Groundwater Sustainability
- Environmental Impact Analysis
Eddy Teasdale, PG, CHG
Vice President
Principal Hydrogeologist
- Hydrogeologic Investigations/Characterization
- Groundwater Sustainability
- Well Design and Rehabilitation
Nick Watterson, PG, CHG
Vice President & Secretary
Principal Hydrogeologist
- Hydrogeologic Modeling
- Hydrogeologic Investigations/Characterization
- Groundwater Sustainability
Peter Leffler, PG, CHG
Chief Financial Officer
Senior Principal Hydrogeologist
- Groundwater Sustainability
- Hydrogeologic Investigations/Characterization
- Expert Witness
Till Angermann, PG, CHG
Senior Principal Hydrogeologist
- Hydrogeologic Investigations/Characterization
- Regional Groundwater Quality
- Technical Advisor
Jason Coleman, PE
Supervising Engineer
- Well Pump Station Design
- Water Infrastructure Design
- Construction Management
Vicki Krestinger
Grabert, PH-GW
Senior Principal Hydrologist
- Groundwater Sustainability
- Regional Groundwater Quality
- Technical Advisor
