Mohammad E. Allaf, MD

Dr. Brian Matlaga is a Professor of Urology at Johns Hopkins University School of Medicine and also is the Director of the Stephens Center for Stone Disease as well as the Executive Vice Chair of the James Buchanan Brady Urological Institute. Dr. Matlaga is an internationally recognized expert in the medical and surgical management of patients with urinary stone disease. A frequent contributor to the medical press, with over 180 peer-reviewed publications, Dr. Matlaga’s research has received national and international awards. Dr. Matlaga sits on numerous editorial boards as well as advisory committees and guidelines panels for the American Urological Association, the American Board of Urology, the Endourological Society, and the National Institutes of Health, amongst others. Dr. Matlaga serves as Executive Medical Director of Clinical Affairs for Johns Hopkins Medicine International, the arm of Johns Hopkins Medicine that manages its global presence. In this capacity, he delivers clinical care as well as project leadership across the globe.

Arvin K. George, MD, is a urologic surgeon specializing in the diagnosis and management of genitourinary cancers, with particular sub-specialization in kidney and prostate cancers. His clinical interests and expertise are in image-guided therapeutics, and minimally-invasive ablative/surgical techniques for prostate and kidney cancer. These include laparoscopic and robotic surgery, in addition to cryoablation, high-intensity focused ultrasound ablation, nanoparticle directed laser ablation, laser interstitial thermal therapy, and bipolar radiofrequency ablation. Dr. George obtained his medical degree from the Royal College of Surgeons in Ireland, followed by a urology residency at the Smith Institute for Urology, Hofstra North Shore-LIJ School of Medicine. He remained to complete his endourology/minimally-invasive and robotic surgery fellowship in New York gaining additional subspecialty expertise in robotic, laparoscopic, and percutaneous surgery. Subsequently, he completed a urologic oncology fellowship at the National Cancer Institute, National Institutes of Health. He then joined the clinical facility at the University of Michigan, Ann Arbor, where he directed the Prostate Cancer Programs from 2019 through 2023. Dr. George participates extensively in the discovery of urologic science and evaluation of urologic care and has co-authored over 80 peer reviewed publications. Additionally, he has authored 11 chapters in medical education books. Dr. George sees patients in clinic throughout the Baltimore region and also is available for virtual appointments for patients in Maryland, Washington D.C., New York and Michigan.