Stephen Abbott, Ph.D.

Principal investigator

Stephen received his Bachelor of Science (1st class Honours) from the University of Sydney and his PhD. from Macquarie University, both in Sydney, Australia. Following post-doctoral training at UVA and Harvard University, Stephen returned to UVA’s Department of Pharmacology as a member of faculty in 2017. Dr. Abbott’s research seeks to understand the organization of neural systems that underlie the homeostatic functions of the autonomic nervous system, with an emphasis on cardiovascular control.

George Souza, Ph.D.

Postdoctoral Researcher

George Souza received his Ph.D in Physiology from the University of São Paulo, Brazil. Prior to joining the Abbott Lab, George trained with professor emeritus Patrice Guyenet at UVA with support from a postdoctoral fellowship from the American Heart Association.

Currently, Dr. Souza’s research utilizes in-vivo calcium imaging and optogenetics to elucidate the systems responsible for the respiratory effects of hypoxia and hypercapnia.

George at work in the lab.
Daniel Stornetta

Lab Specialist

Proud member of the lab. Performs histology, data analysis, lab management, and technical development.

Supporter of free (libre) open source software including: GNU/Linux, Python, and R.

Want to work with us?

The lab is always interested in hearing from UVA undergraduate and graduate students interested in training with our team. We would also love to hear from post-doctoral researchers around the world who are interested in joining our team. Please contact Dr. Abbott directly at