Meet Dr. Sambunaris!

Angelo Sambunaris, M.D., a Certified Physician Investigator (C.P.I.) by the Association of Physicians in Clinical Research, has been a leader in the field of clinical research for over two decades and currently serves as Founder, CEO and Medical Director of the Institute for Advanced Medical Research and Adjunct Professor at Mercer University College of Pharmacy.

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Dr. Sambunaris’ experience helps him direct the clinical research and the team in conducting psychopharmacology (psychiatric medical care) and neuropharmacology (neurologic medical care) trials.

The focus of his research is on anxiety disorders and depression with additional interests in the areas of obsessive compulsive disorders, insomnia, chronic pain, insomnia, substance abuse/dependence, pain, migraine and eating disorders. A veteran himself, he also has a particular interest in PTSD. Learn more about his research and published works.


The number of medical research studies that Dr. Sambunaris has led during his career.


Dr. Sambunaris earned his medical degree from the University of Colorado in Denver. Further studies continued with an internship in the Department of Medicine, Hershey Medical Center of the Pennsylvania State University; Psychiatry Residency, Department of Psychiatry, University of Colorado Health Sciences Center; Psychiatry Career Resident Program (externship), General Adult Psychiatric Services, Colorado State Hospital; and Clinical Staff Fellow, Neuropsychiatric Research Hospital National Institute of Mental Health, Washington, D.C.


Dr. Sambunaris has led more than 200 studies on the treatment of anxiety, depression, insomnia and Alzheimer’s disease, as well as research in smoking cessation, migraine headaches, fibromyalgia, and personality disorders and addiction ADD in adults, adolescents and children.

Posts and Positions Held

  • Dr. Sambunaris served in the Army and Colorado Army National Guard. He was also a member of the U.S Public Health Service and achieved the rank of Major with the Army and Lieutenant Commander in the United States Public Health Service as a clinical staff fellow at the National Institute of Mental Health in Washington, D.C.
  • Former Associate Director of Psychiatric Clinical Research for Bayer Pharmaceuticals and Director at Solvay Pharmaceuticals in the areas of anxiety, depression, OCD, schizophrenia and stroke.
  • Adjunct Professor, Pharmacology at Mercer University.
  • Founder, Atlanta Institute of Medicine & Research, later renamed the Institute for Advanced Medical Research in 2014
  • Lead Investigator, Institute for Advanced Medical Research at Mercer University

Medical Research Studies Innovator

The high quality of medical care we enjoy today in the U.S. is a result of the hard work done by physician-scientists, research professionals and volunteers.  Dr. Sambunaris has spent his career investigating the causes of and potential treatments for disorders of the brain. What keeps him going?  The hope that Central Nervous System (CSN) conditions such as depression and anxiety and others will soon become a thing of the past, allowing individuals who struggle today to live their lives to their fullest potential.

However, there is still much work to be done.  As long as science, working with research volunteers, continues to unravel the mysteries of brain chemistry, Dr. Sambunaris will be on the front lines of innovation.

Contact us today and schedule a no-obligation appointment with Dr. Sambunaris.