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Alexis Porter, left, and Mya Harmer, staff members with the Steinman Lab, prepare to launch a boat near a turtle at Nichols Lake in Newaygo County on June 24. The work is part of AWRI’s inland lake salt survey. (Photo releases on file)

Graduate Students

Addison Bryan
Bridgette Gorg holds a large fish.
Joe Greendyk
Angelica Gutierrez

Addison Bryan
Advisor: Ryan Otter
Research: Mercury deposition in the Grand River watershed
[email protected]

Bridgette Gorg
Advisor: Stuart Jones
Research: Lake-stream networks and AUV applications in water quality research
[email protected]

Joe Greendyk
Advisor: Stuart Jones
Research: Lake Michigan salmonine population and angling dynamics
[email protected]

Angelica Gutierrez
Advisor: Sean Woznicki
Research: Remote sensing and modeling of agricultural and hydrological drought
[email protected]

Elliot Hoinville
Liz Kelley
Christopher Kotkowicz
Max Larson

Elliot Hoinville
Advisor: Sean Woznicki
Research: Habitat modeling for lake sturgeon in West Michigan rivers
[email protected]

Liz Kelley
Advisor: Al Steinman
Research: Macroinvertebrate assemblage and sediment characteristics in Lake Macatawa
[email protected]

Christopher Kotkowicz
Advisor: Kevin Strychar
Research: Analysis of E. coli within freshwater systems
[email protected]

Max Larson
Advisor: Stuart Jones
Research: Bluegill and Pumpkinseed sunfish hybridization 
[email protected]

Graduate student John Lawrence displays a gar.
Ruth Morara
Madilyn Roy
Ashley Suttner

John Lawrence
Advisor: Carl Ruetz
Research: Age-0 Lake Sturgeon habitat use
[email protected]

Ruth Morara
Advisor: Stuart Jones
Research: Impacts of land use, hydrology and seasonality on water quality and ecosystem health in drowned river mouth lakes
[email protected]

Madilyn Roy
Advisor: Amanda Buday
Research: Angler and fish habitat correlation
[email protected]

Ashley Suttner
Advisor: Al Steinman
Research: Aquatic ecology
[email protected] 

Renee Tardani
Leo Varitek
Addison Yerks
Emma Yonker

Renée Tardani
Advisor: Charlyn Partridge
Research: Molecular assessment of a new harmful algae bloom prevention strategy
[email protected]

Leo Varitek
Advisor: Carl Ruetz
Research: Fish ecology in drowned river mouth lakes
[email protected]

Addison Yerks
Advisor: Stuart Jones
Research: Nutrient transport and zooplankton community dynamics in Lake Michigan drowned river mouth lakes
[email protected]

Emma Yonker
Advisor: Amanda Buday
Research: Fishing access and policy funding
[email protected]

Page last modified September 15, 2026