Our Team

Person wearing safety gear and a reflective vest outdoors

Marsha Lack

CEO/Senior Environmental Planner

Construction worker wearing a hard hat and high-visibility vest, with a drilling rig in the background on a rural landscape.

James Fitzgerald

Senior Certified Engineering Geologist

State of California, Engineering Geologist License # 2436 State of California, Professional Geologist License # 8082

Man taking a selfie with scenic mountain view in background

Charles Schlumpberger

Senior Professional Engineer

State Of California License # C50456

Forestry worker in hard hat and safety vest in mountainous area.

Kaleb Fitzgerald

Staff Engineer/ Hydrologist

Construction worker wearing safety gear and hard hat outdoors

Chris Wynia

Lead Driller

Person hiking near alpine lake with forested hills in the background.

Michael Dean

Senior Biologist

Person wearing a baseball cap with the "GeoServ" logo.

Jennifer Burkett

Office Manager/HR

Smiling person in hard hat and safety jacket, outdoor industrial setting, snowy mountain in background.

Arley Enloe

Senior Driller

Daniel Dean

Daniel Dean

Staff Geologist

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Tanner Lack

Junior Engineer

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Jessie Fitzgerald

Drillers Helper/Field Tech

Construction worker wearing an orange safety vest and hard hat with GeoServ logo.

Graham Hill

Field Tech

Construction worker wearing a helmet and safety gear with a mountainous landscape in the background.

Everest Feathers

Drillers Helper/Field Tech

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Kyra Bowden

Admin Assistant

Construction worker wearing safety gear and helmet standing outdoors.

Jonathon Vanaltena

Drillers Helper/Field Tech

Smiling person on a pier with background of people and buildings.

Alicia Preciado

Admin Assistant