Meet the Team

Dr. Autumn Haagsma
Director of MGRRE

Autumn Haagsma, the Director of the Michigan Repository for Research and Education and Assistant Director of the Michigan Geological Survey, is a researcher focused on geosciences, sustainability, and climate-related issues. Her work, supported by the U.S. Departments of Energy and Defense, involves geologic mapping, risk assessments, data analytics, and community outreach for Carbon Capture, Utilization, and Storage (CCUS) projects. With prior experience at Battelle Memorial Institute, Autumn led geologic research initiatives and mentored students, contributing to projects such as the Midwest Regional Carbon Sequestration Partnership (MRCSP) and enhanced oil recovery using captured carbon dioxide. An active member of the American Association of Petroleum Geologists (AAPG), Autumn holds leadership roles, contributes to committees, and chairs the CCUS conference.

Office: 269-387-8696
autumn.haagsma@wmich.edu

Dr. Haagsma examining rock core

John Yellich, CPG
Emeritus Director of MGS

John Yellich served as the Director of the Michigan Geological survey from 2013-2024. With a bachelor's and master's degree from Western Michigan University and professional geologist certification, John has worked in multiple geoscience sectors including mineral exploration, environmental consulting, and business operations. Some of John's notable contributions include successful validation of mineral targets, surface water and groundwater investigations, and environmental liability assessments for Fortune 500 companies. During his time at MGS, John worked to secure funding, facilitate numerous Michigan natural resource investigations, and foster both staff and facility growth.

Office: (269) 387-8611
john.a.yellich@wmich.edu

Staff

Beyond the permanent staff listed below, the survey also employs a number of supplementary personnel comprising of contracted professionals and part-time contributors who provide valuable support across a range of projects, including dedicated student staff members.

Dr. Harrison examining rock core
Dr. William (Bill) Harrison

Director of Research
MGRRE

(269) 387-8691

william.harrison_iii@wmich.edu

Linda Harrison boxing core
Linda Harrison

Geoscience Data Specialist | Administrator MGRRE

(269) 387-5513

linda.k.harrison@wmich.edu

Jennifer Trout boxing court
Jennifer (Jen) Trout

Collections Manager
MGRRE

(269) 387-8633

jennifer.l.trout@wmich.edu

Amber Conner at Succar Point
Amber Conner

Paleozoic Geologist
MGRRE

(269)-387-8633

amber.conner@wmich.edu

Greg Anderson pointing of map features
Gregory Anderson

GIS Specialist
MGS

(269)-387-8649

gregory.anderson@wmich.edu

Nate Erber in field
Nate Erber, Ph.D.

Glacial Geologist
MGS

Office: (269) 387- 8604

nathan.r.erber@wmich.edu

 

John Esch standing in field
John Esch

Senior Geologist
MGS

(269)-387-5486

john.m.esch@wmich.edu

Garrett Ringle at lake
Garrett Ringle

Geoscience Specialist
MGS

(269)-387-8649

garrett.ringle@wmich.edu

Close up photo of Tom Valachovic's face
Tom Valachovics

Aggregates Project Manager
MGS

(269)-387-8649

thomas.r.valachovics@wmich.edu

Libby Ives, Ph.D.

Research Associate (Aggregates)
MGS

elizabath.ives@wmich.edu

Trent Adams in front of soil outcrop
Trent Adams

Research Associate (Aggregates)
MGS

(269)-387-8633

trent.adams@wmich.edu

Matt Bell profile photo
Matt Bell

Geoscience Specialist (Aggregates)
MGS

(269)-387-8633

matthew.e.bell@wmich.edu

Nolan Gamet in woods
Nolan Gamet

Geoscience Specialist (Upper Peninsula)
Upper Peninsula Geologic Repository (MGS)

(269) 387-8649

nolan.gamet@wmich.edu

Bob Mahin giving presentation
Robert (Bob) Mahin

Critical Minerals Geologist
Upper Peninsula Geologic Repository (MGS)

(269) 387-8649

robert.mahin@wmich.edu

Ashley Quigly at outcrop
Ashley Quigley

Precambrian Geologist
Upper Peninsula Geologic Repository (MGS)

(269) 387-8634

ashley.quigley@wmich.edu

Augustine Lodise standing in front of aggregate outcrop
Augustine Lodise

Geoscience Specialist (Aggregates)
MGS

(269)-387-8633

augustine.lodise@wmich.edu

Eric Schuemann in front of an outcrop
Eric Schuemann

Geoscience Specialist (Aggregates)
MGS

(269)-387-8633

eric.schuemann@wmich.edu

Sam Zink at Drill Site
Sam Zink

Geoscience Specialist (Aggregates)
MGS

(269) 387-8633

samantha.zink@wmich.edu

Shelby Hurst at Waterfall
Shelby Hurst

Media Coordinator
MGS/MGRRE

(269) 387-5486

shelby.h.hurst@wmich.edu

Sophia White on Lake Michigan dune
Sophia White

Triage Project Manager
MGS

(269) 387-5486

sophia.f.white@wmich.edu