Board of Directors

Dr. David Emmel retired after more than 45 years of practice in Ophthalmology in the Hartford area. He trained at Manhattan Ear & Eye Institute.

Dr. MacDonnell is a dentist-anesthesiologist who maintains a mobile anesthesia/sedation practice. He has worked with more than 200 Connecticut dentists, caring for patients across the state. His expertise is in sedation/anesthesia, local anesthesia and medical emergencies. 

MacDonnell graduated from Georgetown University Dental School and completed his dental anesthesia residency at the University of Pittsburgh. He was an assistant clinical professor of anesthesiology at the University of Connecticut Health Center and served as a staff anesthesiologist at the John Dempsey University Hospital for five years before going into private practice. Bill continues to be active in academia as a member of the University of Connecticut School of Dental Medicine clinical faculty, an appointment that began in 1978. He is a member of the Tufts School of Dental medicine clinical faculty. 

Dr. Rolf Knoll is retired from a career as an internist affiliated with St. Francis Hospital and Medical Center. He received his medical degree from University of Connecticut. 

Dr. Janine Collinge is an actively practicing Pediatric Ophthalmologist and owner of Children's Eye Care of Connecticut in Rocky Hill. She trained at Georgetown and Indiana University.

Dr. John P. Welch is a retired general surgeon in Bloomfield, Connecticut. He received his medical degree from Harvard Medical School. 

Dr. Bernard Kosto is a graduate of Yale College and Yale School of Medicine. He performed his urologic residency at Johns Hopkins University School of Medicine. He was commissioned as an ensign in the Navy in 1964. After his honorable discharge, he entered into solo practice, moving into a little brick building on Seymour and Jefferson Street until his retirement. 

Dr. Joshua A. Stein is a urologist with over 20 years of experience. He is the Medical Director of Kidney Stones Clinical Council at Hartford HealthCare. He received his medical degree from the University of Connecticut School of Medicine and completed his residency at Yale New Haven Hospital 

Dr. Suparna Dutta is a medical doctor who specializes in Internal Medicine. She graduated from State University of New York at Buffalo / School of Dental Medicine in 2004. She is affiliated with Hartford Hospital and has over 18 years of experience in the medical field.  

Dr. Tamika L. Blackburn is an internist and is a part of the Student Health and Wellness team at the University of Connecticut.   

Dr. Rocco Orlando is an retired general surgeon who served as Chief Medical Officer at Hartford Healthcare for many years. He received his medical degree from the University of Connecticut and did his surgical training in Miami and Hartford.

Barbara Calderone was a critical care nurse before getting a law degree and serving as General Counsel for Eastern Connecticut Health Network. She also served on the Board of Directors of Saint Francis Hospital for many years and was Chair of the Quality Committee of the Board.

Dr. Gerald Leonard is a retired Otolaryngologist who practiced and taught for many years at the University of Connecticut Health Center. He received his medical degree from the National University of Ireland.