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.
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
Maria Johnson, MD
She is a graduate of of Oglethorpe University in Atlanta, obtained her medical degree from the Medical College of Georgia, and trained in Psychiatry at The University of Arizona. She completed a fellowship in Psychopharmacology Research and completed residency at The Medical College of Georgia. She is experienced in outpatient, inpatient, public, private, child, adult, and geriatric psychiatry.
She has special interest in Autism Spectrum Disorders and edited a book called Asperger’s Disorder published in 2008. More recently, she has focused on Telepsychiatry, developing skills in the management of the technology required for Telepsychiatry, as well as the medium’s impact on her relationship with her patients.
Jessica C McCoun, MD
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
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
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.