Professor and Principal Investigator

Dr. Maria S. Sepúlveda

Ph.D., Toxicology and Veterinary Sciences, University of Florida (1998-2000)
M.S., Wildlife Ecology, University of Florida (1993-1997)
D.V.M., Universidad de Chile (1985-1991)
Curriculum Vitae

Dr. Maria Sepúlveda’s main area of research is ecotoxicology. Over the last decade, she has conducted extensive research evaluating the sublethal effects of a wide-range of environmental contaminants on the physiology of numerous terrestrial and aquatic species.


Post-Doctoral Researcher

Wes Flynn

B.S., 2009, Biology, Penn State, PA;
Ph.D., 2017, Ecology, University of Georgia, GA.

Wes is studying the toxicity of with per- and polyfluroalkyl substances to amphibians.


Technical Staff

Michael Lachetta

B.S., 2012, Biology and Ecological Sciences, Shepherd University, Shepherdstown, WV.
M.S., 2015, Marine Science, University of Texas, Austin, TX

Michael is in charge of maintaining amphibians at the Purdue Wildlife Area and for assisting in research on the ecotoxicity of perfluorinated chemicals in toads, frogs and salamanders.


Graduate Students

Elizabeth (Lizz) Allmon

B.S., 2012, Biology and Ecological Sciences, Shepherd University, Shepherdstown, WV.
M.S., 2015, Marine Science, University of Texas, Austin, TX

 Lizz is a PhD student working on evaluating the effects of contaminants on the transcriptome of fish.

Gary Hoover

D.V.M., 2011-2015, Purdue University, West Lafayette, IN

Gary is a PhD student working on the effects of PFAS on amphibians.


Amy Weber

Amy Weber

B.S., 2011, Forensic Science, Chaminade University of Honolulu, HI
M.S., 2013, Forensic Science, Chaminade University of Honolulu, HI

Amy is a PhD student working on developing tools for wildlife forensic studies.


Maggie Wigren

B.S., 2016, Biology, Purdue University, IN.

Maggie is a MS student working evaluating the impacts of oil on the microbiome of fishes.


International Visiting Scholars

Rui Zhang

Rui is a PhD student from ShanDong University, China. Rui is working on the effects of nanoplastics on zebrafish.


Past Team Members