Thomas N. Greenwell, PhD

Job Title
Program Director
Thomas Greenwell
Division of Neuroscience
Cluster, Section, or Program
Systems & Cognitive Neuroscience
Areas of Interest

Portfolio: Basic, preclinical, and clinical research in pain; peripheral and central mechanisms, pathways, circuits and processing of pain  

Additional Keywords: Pain: chronic, acute, neuropathic, preclinical models, management; sensory neuron and ganglia; nociceptor, nociceptive, analgesia, analgesic, hyperalgesia

Contact Email
Contact Number

Tom Greenwell, Ph.D., joined the National Institute of Neurological Disorders and Stroke (NINDS) in 2024.  He currently serves as Program Director in Pain for NINDS. Prior to joining NINDS, Dr Greenwell led the Office of Regenerative Medicine as its Acting Associate Director from 2021 to 2024. The office coordinates the regenerative medicine programs at NEI which include the Audacious Goals Initiative (AGI) for Regenerative Medicine, the 3-D Retina Organoid Challenge (3D ROC), and the AMD Integrative Biology Initiative. Dr. Greenwell was also a Program Director at the National Eye Institute from 2009-2024, serving on multiple Brain Initiative Teams and trans-NIH committees, and managing a portfolio on Retinal Neuroscience (2009-2020) and Visual Development and Regeneration (2020-2024). Dr. Greenwell has a B.A. in Biology from the University of Saint Thomas and a Ph.D. in Neuroscience from Tulane University.  He came to the NIH in 2007 as a Program Director at the National Institute on Alcohol Abuse and Alcoholism. Dr. Greenwell has a diverse array of peer-reviewed publications related to pain, addiction, and regenerative medicine.