Where the experts come to work

For nearly four decades, CenExel ACMR has been dedicated to assisting pharmaceutical companies find new cures to help patients better manage their healthcare.

Center Leadership

Sarah Kazmi

Sarah Kazmi, MD

VP and General Manager

Dr. Kazmi is bringing 15 years of extensive experience in Phase I-IV clinical trials spanning many therapeutic areas. She has a strong leadership background and a proven track record of managing large clinical research sites.

Dr. Robert Riesenberg

Robert Riesenberg, MD

ACMR Founder and Principal Investigator

Dr. Riesenberg is a research psychiatrist with four decades of experience. His primary focus is on CNS, PK, Healthy Normal, and Child/Adolescent disorders. Dr. Riesenberg has been the Principal Investigator in over 600 studies.

Dr. Riesenberg earned a bachelor’s degree in both Zoology and Psychology from Memphis State University in 1972. In 1975, he earned his MD from the University of Tennessee. He is licensed to practice in Georgia.

Meet Our Physicians / Investigators

Dr. Mark Lerman

Mark Lerman, MD

Principal Investigator

Dr. Lerman has more than 25 years of experience, almost entirely in psychiatric medical research, conducting over 300 studies. He is also on CenExel’s Psychiatric Advisory Board.
Dr. Mahendra Dave

Mahendra Dave, MD

Principal Investigator

Dr. Dave is a board certified Psychiatrist and a Distinguished Fellow of the American Psychiatric Association. He is a Sub-Investigator for the Atlanta Center for Medical Research for clinical trials that focus on adult psychiatric diseases, CNS, PK, Healthy Normal and Child/Adolescent disorders. He is licensed to practice in Georgia.

Dr. Dave has had several publications in various professional, peer reviewed journals, including American Family Physician, JAMA, The Psychiatric Hospital, Journal for Contemporary Social Work, Journal of Clinical Psychiatry, Canadian Journal of Psychiatry, American Journal of Psychiatry, Annals of Clinical Psychiatry, Biological Psychiatry, the Journal of Pharmacy Technology, and American Journal of Geriatric Psychiatry. Dr. Dave is also the lead author of the book Psychiatric Medicine, The Psychiatrist’s Guide to the Treatment of Common Medical Illnesses published by Lippincott, Williams, and Wilkins.

Dr. Stan Plavin

Stan Plavin, MD

Principal Investigator

Safety and quality are paramount

Our physicians have extensive backgrounds in their respective medical specialties and always prioritize patient safety.




200+ years of collective clinical trial experience


Assisted by expertly-trained medical staff

Research Facility

Converted Hospital

With existing healthcare facility infrastructure and redesigned specifically for clinical research, CenExel ACMR offers a unique, world-class experience.


100,000 square feet of dedicated medical research space


On-site PBMC lab


14 inpatient units


2,000 square foot cafeteria with licensed dietician


Conveniently located near Atlanta’s Hartsfield-Jackson international airport and within walking distance of public transportation


CenExel ACMR

501 Fairburn Road SW
Atlanta, GA 30331

Monday – Friday    8AM – 4:30PM

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We’re a CenExel
Center of Excellence

Centers of Excellence provide unparalleled attention to detail to assure consistent and first-class quality in patient care. We have supported tens of thousands of studies, the variety and complexity of which have resulted in a great depth of experience for the principal investigators and research staff at each Center.

We deliver engagement, expertise, and results.


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