Claudio Perez-LeightonClaudio received his B.S. in Biochemistry in 2005 from Pontificia Universidad Católica de Chile and his PhD from the University of Minnesota in 2012 after receiving a Fulbright Scholarship. At the University of Minnesota, he studied under Dr. Catherine Kotz and Dr. Charles Billington focusing on neuronal mechanisms mediating resistance to obesity. He currently is an Assistant Professor at The Faculty of Biological Sciences, Pontificia Universidad Católica de Chile where he directs the direct the Behavioral Neurobiology and Obesity Lab.


Pamela Mattar. Postdoctoral researcher (Fondecyt Postdoctoral Grant # 3190416) working on the effects of obesity and unhealthy eating on the central and peripheral actions of GLP1.

Carolina Sandoval. Graduate Student (Physiology Program at UC, Fondecyt Graduate Student  Scholarship). Her graduate thesis work focuses on the effect of opioid dynorphin and orexin peptides on compulsive and motivated behavior.

Tatiana Guarnieri. Undergraduate student (Biochemistry major, UC). Her undegraduate thesis work focuses on the interaction between orexin and dynorphin peptides on hedonic intake.


Cesar Pezoa. Cesar work in our lab between 2017 and 2019 as a staff scientist. He´s currently pursuing a Master´s Degree in Medical Informatics (Universidad de Chile) 


Sofia Uribe. Sofia joined the lab in 2017 as a staff scientist and authored one review about food choice in 2018. She left the lab in 2019 to pursue a Master's Degree in Clinical Nutrition at UC. 

Tabita Barrientos. Tabita did her thesis for the Masters Program in Biotechnology, Universidad Andres Bello on the neuronal mechanisms of action DYN-A2-17 in the paraventricular hypothalamic nucleus. This work was published in 2018.

Ricardo Mella. Ricardo did his thesis work for the Masters Program in Biotechnology, Universidad Andres Bello in 2016 on the modulation of the activity of GLP1 by the obesity environment. This work was published in 2017


Beatriz Alvarez. Beatriz was a staff scientist in our lab between 2015 and 2017. She is the first author of an article published in 2018.

Lily Gac. Lily was a staff scientist in our lab between 2014 and 2016. She is the first author of our first two publications in 2015.

© 2020 by The Laboratory on Behavioral Neurobiology and Obesity