John Byrnes, Ph.D.

John Byrnes, Ph.D. is a translational neuroscientist who has studied brain mechanisms of psychiatric diseases and psychotropic drugs for more than 25 years. He is also a seasoned clinician with experience that includes neuropsychological assessment, psychotherapy, and cognitive rehabilitation.

His previous work includes CNS target discovery at Millennium Pharmaceuticals, Head of In Vivo Pharmacology at Ore Pharmaceuticals, and Clinical Coordinator of inpatient Cognitive Rehabilitation at Worcester State Hospital. Most recently, Dr. Byrnes co-founded Metrowest Neuropsychology LLC., a clinical neuropsychology group practice in Central Massachusetts where he served for over 8 years as Director of Operations. He has also served on the faculty at Tufts University and maintains an adjunct appointment as Research Associate Professor at the Cummings School. 

Dr. Byrnes holds a Ph.D. in neuroscience from The Ohio State University School of Medicine, and a M.A. in counseling psychology from Framingham State University. He received postdoctoral training in neuropharmacology at Tufts University School of Medicine, and later completed a second postdoctoral residency in clinical psychology at the Massachusetts Department of Mental Health. Throughout his career, Dr. Byrnes has lectured in neuroscience and psychopharmacology at multiple colleges and universities, and he has more than 25 peer-reviewed scientific publications.