Dr. Tahir Tellioglu, MD
Principal Investigator
About Dr. Tellioglu
Dr. Tahir Tellioglu serves as Principal Investigator at Vitalix Clinical’s Worcester location, bringing more than two decades of advanced psychiatric, pharmacologic, and academic experience to the organization. A board-certified psychiatrist with a PhD-equivalent in Pharmacology, Dr. Tellioglu offers a rare blend of clinical insight and scientific expertise that strengthens Vitalix’s ability to conduct high-quality CNS research.
In addition to his role at Vitalix, Dr. Tellioglu continues to practice as a Staff Psychiatrist at Massachusetts General Hospital and teaches as an Instructor in Psychiatry at Harvard Medical School. His ongoing work within these leading academic institutions keeps him closely connected to emerging treatments, modern diagnostic approaches, and the evolving landscape of mental health care.
Dr. Tellioglu has extensive experience in clinical research across multiple psychiatric conditions and has contributed to numerous Phase II and Phase III trials. He also has significant expertise in addiction medicine, having directed substance use programs and treated complex addiction cases throughout his career — experience that adds meaningful depth to Vitalix’s behavioral health capabilities.
Dr. Tellioglu completed his medical degree at the Istanbul School of Medicine and earned a PhD-equivalent in Pharmacology from Marmara University. He completed residency training at Yale University and Vanderbilt University, followed by a Clinical Pharmacology Fellowship at Vanderbilt and an Addiction Psychiatry Fellowship at Yale.
Academic & clinical expertise
Dr. Tellioglu brings a uniquely combined background in academic psychiatry, clinical pharmacology, and addiction medicine — a rare combination that strengthens every study he leads.
Academic Psychiatry
Active Staff Psychiatrist at Massachusetts General Hospital and Instructor in Psychiatry at Harvard Medical School — keeping Vitalix connected to the leading edge of CNS research.
Pharmacology & CNS Research
PhD-equivalent in Pharmacology combined with extensive Phase II and III trial experience across depression, PTSD, bipolar disorder, ADHD, anxiety, OCD, and dementia.
Addiction Medicine
Directed substance use programs and treated complex addiction cases throughout his career, adding significant depth to Vitalix’s behavioral health and SUD capabilities.
Our people
Meet the rest of the team
Dr. Tellioglu works alongside experienced clinicians and research professionals committed to high-quality trials and compassionate patient care.