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Meet the Team

Staff by Program

Have questions about Michigan’s geology? Use the directory below to connect with a staff member who specializes in your area of interest.

If you’re unsure who to contact, feel free to call us at (269) 387-8633 or email geos-mgsmaps@wmich.edu, and we’ll make sure your inquiry reaches the appropriate expert.

Note that some staff members hold multiple roles within the organization.

Sara Pearson, CPG

Director, MGS

(269) 387-8611

sara.pearson@wmich.edu

Sara Pearson wearing a hat and purple jacket standing in front of lava rock

Dr. Autumn Haagsma, Ph.D.

Assistant Director, MGS

(269) 387-8696

autumn.haagsma@wmich.edu

Autumn Haagsma in a warehouse looking at rock cores and gamma ray log data.

Linda Harrison

Geo. Sample / Data Specialist

(269) 387-8642

linda.harrison@wmich.edu

Linda Harrison standing in a warehouse while boxing rock core.

Sophia White

Office Coordinator

(269) 387-8328

sophia.f.white@wmich.edu

Sophia White wearing a green hat and safety vest with shrubs, bluffs, and a lake in the background.

Joanie Barnard

Budget Analyst

(269) 387-8633

joanie.a.barnard@wmich.edu

Placeholder photo showing the outline of a cartoon simplified person.

John Esch

Senior Research Associate

(269) 387-8626

john.m.esch@wmich.edu

John Esch wearing a hat and blue shirt outdoors with a grassy plain in the background.

Nate Erber, Ph.D.

Senior Research Associate

(269) 387-8604

nathan.r.erber@wmich.edu

Nate Erber holding a rock hammer in front of a big-wheeled vehicle.

Garrett Ringle

Geoscience Specialist

(269) 387-8631

garrett.ringle@wmich.edu

Garret Ringle pointing towards his science poster presentation.

Greg Anderson

Research Associate

(269) 387-8625

gregory.anderson@wmich.edu

Greg Anderson pointing towards features on a geologic map.

Robb Gillespie

Senior Research Associate

(269) 387-5364

robb.gillespie@wmich.edu

Placeholder photo showing the outline of a cartoon simplified person.

Ashley Quigley

Senior Research Associate

(269) 387-8634

ashley.quigley@wmich.edu

Ashley Quigley with green foliage in the background.

Nolan Gamet

Geoscience Specialist

(269) 387-8630

nolan.gamet@wmich.edu

Nolan Gamet outdoors with green trees and blue sky in the background.

Robert Mahin

Economic Geologist

(269) 387-8619

robert.mahin@wmich.edu

Bob Mahin wearing a yellow safety vest and holding an object while giving a presentation.

Dr. Autumn Haagsma, Ph.D.

Director, MGRRE

(269) 387-8696

autumn.haagsma@wmich.edu

Autumn Haagsma in a warehouse looking at rock cores and gamma ray log data.

Linda Harrison

Geo. Sample / Data Specialist

(269) 387-8642

linda.harrison@wmich.edu

Linda Harrison standing in a warehouse while boxing rock core.

Dr. Bill Harrison, Ph.D.

Emeritus Researcher

(269) 387-8691

william.harrison_iii@wmich.edu

Dr. Bill Harrison in a warehouse examining a cardboard box containing rock core.

Jennifer Trout

Research Associate

(269) 387-8633

jennifer.l.trout@wmich.edu

Jennifer Trout in a warehouse standing next to a box of rock core.

Amber Connor

Senior Research Associate

(269) 387-8641

amber.conner@wmich.edu

Amber Connor standing in a grassy area, leaning against a sign.

Ricky Haagsma

Geotechnician

(269) 387-8649

richard.haagsma@wmich.edu

Rick Haagsma wearing a pink shirt sitting next to a 3D image booth.

Ashley Scott

Senior Geoscience Specialist

(269) 387-8630

ashley.b.scott@wmich.edu

Ashley Scott outdoors with trees and grass in the background.

Lisa Wininger

Manager of Outreach and Education

(269) 532-3048

lisa.a.wininger@wmich.edu

Lisa Wininger wearing a backpack while holding two hiking poles.

Khalid Omar, Ph.D.

Research Associate

(269) 387-8633

khalid.omar@wmich.edu

Khalid Omar standing in the foreground with rock cliffs of the Grand Canyon in the background.

Tom Valachovics

Senior Research Associate

(269) 387-8632

thomas.r.valachovics@wmich.edu

Tom Valachovics wearing a hard hat and safety vest pointing his hand towards an outcrop of sand.

Libby Ives, Ph.D.

Research Associate

(269) 387-8646

elizabeth.ives@wmich.edu

Libby Ives on a boat with gray skies and the ocean in the background.

Trent Adams

Research Associate

(269) 387-8606

trent.adams@wmich.edu

Trent Adams wearing a hat kneeling next to a soil outcrop with tsunami deposit.

Matt Bell

Geoscience Specialist

(269) 387-8608

matthew.e.bell@wmich.edu

Matt Bell wearing a red shirt in front of a masonry rock wall.

Eric Schuemann

Geoscience Specialist

(269) 387-8617

eric.schuemann@wmich.edu

Eric Schuemann wearing sunglasses and a dark colored jacket while standing in front of a rock outcrop.

Sam Zink

Geoscience Specialist

(269) 387-8618

samantha.zink@wmich.edu

Sam Zink wearing a multicolored sweater with a dark background.

Augustine Lodise

Geoscience Specialist

(269) 387-8638

augustine.lodise@wmich.edu

Augustine Lodise wearing a hard hat and safety vest in front of an outcrop of sand.

Trent Adams

Research Associate

(269) 387-8606

trent.adams@wmich.edu

Trent Adams wearing a hat kneeling next to a soil outcrop with tsunami deposit.

Ricky Haagsma

Geotechnician

(269) 387-8649

richard.haagsma@wmich.edu

Rick Haagsma wearing a pink shirt sitting next to a 3D image booth.