Lab Members at Vanderbilt University

Megan Behringer, Ph.D. - Principal Investigator ​
Megan is an Assistant Professor at Vanderbilt University in the Department of Biological Sciences and the Associate Director of the Vanderbilt Microbiome Innovation Center. With a general interest in microbiology and the forces of evolution, Megan's research focuses on how new genetic variation is created and how this genetic variation shapes the way microbes colonize new environments. Before coming to Vanderbilt, Megan obtained both her B.S. and M.S. at Auburn University then continued to the University of Georgia to pursue her Ph.D. in Genetics. She then completed her postdoctoral training with Dr. Jay T. Lennon and Dr. Michael Lynch at both the Department of Biology at Indiana University and in the Biodesign Center for Mechanisms of Evolution at Arizona State University. When Megan isn't in the lab, she enjoys hanging out with her husband, their two dogs (Annie and Paisley), and one cat (Willard).
CV:
Postdoctoral Fellows
Sarah Worthan - Postdoctoral Researcher ​
Sarah received her Ph.D. in Biotechnology, Science, & Engineering from the University of Alabama in Huntsville. Her Ph.D. work focused on determining the physiological effects of indole production in E. coli. Her long-term research interests include exploring how bacteria communicate in a microbiome setting. When she is not in the lab, she enjoys being outdoors and loves to camp, hike, and kayak. She also loves playing with her two kitties, Curie & Applesauce!

Graduate Students
Carl Stone - Ph.D. Student​
Carl obtained his B.S. in Microbiology at the University of Minnesota-Twin Cities and spent some time after his undergraduate studies working as a research technician in Dr. Shaun Brinsmade's lab at Georgetown University. Carl joined the lab in Spring 2021 to investigate questions about microbial genomics and population dynamics. His dissertation will be focused on molecular phenotypes in E. coli experimentally evolved to feast/famine cycles.


William McLaughlin - Ph.D. Student​
William obtained his B.S. in Cellular and Molecular Biology at Auburn University. There he worked in Dr. Aaron Rashotte’s lab studying cytokinin response factors in Arabidopsis thaliana and their role in stress response and development. He joined the lab in Spring 2023 to investigate questions about historical contingency and the evolution of cooperation in microbial populations. In his free time, he enjoys playing the banjo, Celtics basketball, and listening to an excessive amount of NPR.
Owen Hale - Ph.D. Student​
Owen earned his B.S. in Biology at the Georgia Institute of Technology in 2021. There, he worked in Dr. Amit Reddi's lab studying mycobacterial heme homeostasis and completed a co-op at an agricultural biotechnology company engineering crop microbiomes to increase food production during environmental stress.

Owen joined the lab through IGP in 2022, he is interested in the ecological dynamics within microbial communities and the resulting consequences for host health. His research aims to uncover fundamental mechanisms of microbial evolution and ecology in the human urogenital microbiome.
Ashlynn Bruder - Ph.D. Student

Research Assistants
Sara Williams​

Undergraduate Researchers

Julia Brennan
​

Doris Jiang
Doris is a Freshman at Vanderbilt University. She is conducting a reading project with Owen Hale investigating interactions between Lactobacillus and Escherichia coli in the context of Small Intestine Bacterial Overgrowth (SIBO) and Urinary Tract Infection.
Rotating PhD Students
2025 - 2026: Claire Cheng
2024 - 2025: Raquel Guerrero, Joshua Eis
2023 - 2024: Rayshaun Pettit, Ashlynn Sherwood
2022 - 2023: William McLaughlin, Nadir Dbouk, Erykah Coe
2021 - 2022: Owen Hale, Ximena Leon, Sergio Escobar
2020 - 2021: Asher Hollenbeak, Ryan Fansler, Carl Stone, Will Payne, Kaeli Bryant
Former Trainees and Lab Alumni
Former Graduate Students
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Nia Crowley (M.S.)
Vanderbilt University
Former Research Assistants

Meredith Andersen
Vanderbilt University

Zeer Cen
Vanderbilt University
Former Undergraduate Researchers





Robert McCarthy
Vanderbilt University
William Tyukayev
Vanderbilt University
Yehchan Kim
Vanderbilt University
Nathan Fiedeldey
Vanderbilt University
Zeer Cen
Vanderbilt University





Gillian Patton
Vanderbilt University
Hannah Stepp
Vanderbilt University
Ana Bencomo-Estevez
Vanderbilt University
Michelle Yin
Vanderbilt University
John Meraz
Arizona State University






Brian Choi
Indiana
University
Gwyn Boyer
Arizona State
University
Jessica Zellinger
Indiana
University
Rohini Kalluri
Indiana
University
Angelica Urquidez
Arizona State
University
Logan Graham
Arizona State
University

