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American Fisheries Society - Wyoming Student Chapter


John Fennell holding a fish 

President: John Fennell


John is a graduate research assistant in the Wyoming Cooperative Fish and Wildlife Research Unit. His master’s research aims to understand the dynamics of hybridization between Yellowstone cutthroat trout and rainbow trout in the North Fork Shoshone River drainage in northwest Wyoming. He received his bachelor’s degree in Fisheries Management from Auburn University in 2015. Before starting at that the University of Wyoming he worked as a fisheries technician for both the Wyoming Game and Fish Department and the Idaho Department of Fish and Game. In his free time John enjoys fly fishing, hiking and playing golf.


Vice President: Colton Curtis


 A Pilkerton on a boat.

Secretary: Ashleigh Pilkerton


 Ashleigh is a PhD student advised under Dr. Annika Walters and part of the Wyoming Cooperative Fish and Wildlife Research Unit. Her research is focused on ecological water quality issues ranging from sedimentation to harmful algal blooms. 

Before joining the Coop Unit, Ashleigh conducted field and laboratory research in aquatic ecosystems studying plankton communities and harmful algal blooms, juvenile sea star growth rates, long term trends in estuaries and eelgrass beds, and was actively involved in science communication and education. Ashleigh enjoys any activity that requires her hiking boots and exploring our natural world.


 J Baldock holding a fish.

Treasurer: Jeff Baldock


Jeff is a PhD student in the Program in Ecology and the WY Cooperative Fish & Wildlife Research Unit, advised by Dr. Annika Walters. Academically, Jeff is interested the strategies animals use to negotiate complex landscapes. His dissertation focuses on evaluating the role of hydrologic diversity and stability to cutthroat trout in northwestern Wyoming. He uses observational field studies, statistical modeling, and genomic tools to investigate population dynamics and eco-evolutionary processes.

 Jeff grew up in the Sierra Nevada mountains of California and received my B.S. in Aquatic and Fishery Sciences the University of Washington in 2014. As an undergrad, he discovered ecology through field-based programs in the San Juan Islands, WA, Caribbean Panama, and as a technician for environmental NGOs. After graduation, as a Biologist with the Alaska Salmon Program, he managed a research station in Chignik, Alaska and helped maintain long-term datasets on Pacific salmon populations. Jeff also worked briefly in rural Ecuador, assisting with research on stream communities and climate change. When he's not working, you can find me climbing, skiing, strumming my guitar, or enjoying a beer with friends.


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