Four Peaks Environmental Science & Data Solutions is an environmental science and engineering consulting firm serving public and private entities across North America.

We were founded in 2017 by a group of scientists and engineers who individually bring decades of professional and academic experience in aquatic research and natural resource management. Together with our team of ecological and fisheries experts and technical support staff, we provide our clients with solutions built upon a foundation of sound science, expert analyses, engineering acumen, and world-class customer service.

We are strategically located across the Pacific Northwest, Midwest, and Northeast with headquarters located along the Columbia River in Wenatchee, Washington, and offices in Seattle, Bellingham, and North Bonneville (WA); Eugene and Hood River (OR); Chicago; and Boston and Amherst (MA).

Amir Sedaghatdoost

Amir Sedaghatdoost, M.Sc.

Water Resources Engineer
Benjamin Munster

Benjamin Munster, MSC, EIT

Environmental Scientist
Binglei Gong

Binglei Gong, MSC

Senior Scientist
Carolyn Roper

Carolyn Roper

Principal Admin Manager
Corinne Kohlmann

Corinne Klohmann, MSC

Environmental Scientist
Drew Stang

Drew Stang, MSC, PE

Environmental Scientist
Heriverto Colado

Eddy Colado

Managing Technician
Elizabeth Ng

Elizabeth Ng, MSC

Quantitative Ecologist
Ella Head

Ella Head

Fish Counting Supervisor
Elliot Koontz

Elliot Koontz, MSC

Environmental Scientist
Erika Rubenson

Erika Rubenson, PhD

Principal Scientist
Ethan Gardner

Ethan Gardner, MSc

Environmental Scientist
Faye Hicks

Faye Hicks, MIM

Operations Specialist
Georgia Martin

Georgia Martin

Environmental Scientist
Grant Woodard

Grant Woodard, MSC

Environmental Scientist
Greg Mackey

Greg Mackey, MSC

Principal Scientist
Hannah Garrison

Hannah Garrison

Technical Editor
Isaiah Martin

Isaiah Martin

Fish Count Manager
Jacob Usinowicz

Jacob Usinowicz, PhD

Quantitative Ecologist
Joel LaHaie

Joel LaHaie

Fisheries Scientist
Joe Miller

Joseph Miller, MSC

Principal Scientist
Lauren Kemper

Lauren Kemper, MSC

Environmental Scientist
Leah Nagel

Leah Nagel, MSC, GISP

Aquatic Ecologist
Staff Photo Placeholder

Lillian Fradin, MSC

Geospatial Analyst
Lindsey Leyzac

Lindsey Leyzac

Field Biologist
Lucius Caldwell

Lucius Caldwell, PhD, FP-C

Principal Scientist
Madison Carpenter

Maddy Carpenter

Senior Technician
Mark Weiland

Mark Weiland, MSC

Principal Scientist
Melissa Hambelton works for environmental engineering consulting firm

Melissa Hambelton

Fish Counting Supervisor
Michele Burns-Rodriguez works for environmental engineering consulting firm

Michele Burns-Rodriguez

Fish Counting Supervisor
Michelle Stantial

Michelle Stantial, PhD

Quantitative Ecologist
Molly Steere

Molly Steere

Engineer
Nina-Tuyen Tran

Nina-Tuyen Tran

Environmental Science Software Developer
Peter Stevens

Peter Stevens, MSC, FP-C

Senior Scientist
Pradeep Mugunthan

Pradeep Mugunthan, PhD, PE

Principal Engineer
Rohan Adla

Rohan Adla

Environmental Science Software Developer
Sam Haffey

Samuel Haffey, MEng, PE

Principal Engineer
S Karimifard

Shahab Karimifard, PhD

Senior Scientist