Medical Team

Zannos G. Grekos MD, MAAC, FACC
Chief Scienctific Officer, Intercellular Sciences, LLC
Clinical Assistant Professor, Nova Southeastern University

medical_staff_dr_grekosDr. Zannos Grekos is a Board Certified Cardiologist with extensive experience in the field of stem cell therapy. In collaboration with major international treatment and research centers, he has developed many of the protocols used for adult stem cell therapy throughout the world. Dr. Grekos also trains physicians in the evaluation and treatment of patients receiving stem cell therapy. He was recently appointed to the Science Advisory Board of the United States’ Repair Stem Cell Institute.

Dr. Grekos is the Chief Scientific Officer for Intercellular Sciences, the first Adult Stem Cell clinic in the United States. Dr. Grekos is using Adult Stem Cell Therapy to treat Congestive Heart Failure, Cardiomyopathy, Peripheral Artery Disease, Coronary Artery Disease, Ischemic Heart Disease, Pulmonary Disease and Early Senile Dementia, Macular Degeneration and Cystic Fibrosis among other conditions.

In November, 2008, Dr. Grekos presented the groundbreaking results of his clinical treatment experience to the World Congress on Regenerative Biomedical Technologies in Dubai, U.A.E., and in 2007, he was invited to Washington, DC to brief the United States Senate Health Advisory Staff on the current state of stem cell research and therapy.

Zannos Grekos has been a Clinical Assistant Professor for Nova Southeastern University, a Distinguished Master of the American Academy of Cardiology, a Diplomate of the American Board of Internal Medicine and a Diplomate of the American Board of Cardiovascular Disease.

Curriculum Vitae

Hector Rosario, MD
Director of Cardiology, Dominican Republic


Dr. Hector Rosario specializes in the diagnosis, treatment and intervention of diseases of the heart and cardiovascular system. He is an interventional cardiologist who has performed thousands of invasive tests and procedures to assist in diagnoses of and treatment of cardiac disease. In 2008, Dr. Rosario completed intensive training with Regenocyte to become a master in the transplantation of adult stem cells throughout the cardiovascular system. Currently, Dr. Rosario is a Professor of Cardiology at Pontifical Catholic University in Santiago, Dominican Republic and is the Department Chief and a General and Invasive Cardiologist at Union Medical Hospital in Santiago. He is also on staff at Centro Otorrino Hospital in Santo Domingo, Dominican Republic where the vast majority of Regenocyte patients receive treatment.

Curriculum Vitae


Eduardo Mejia, MD
Plastic Surgery, Dominican Republic

Dr Eduardo Mejia

Dr. Eduardo Mejia is an experienced surgeon with subspecialty training in plastic surgery. Dr. Mejia has vast experience in the harvesting of adipose tissue and bone marrow for stem cell treatments. Dr. Eduardo Mejia obtained his Doctor of Medicine at the Universidad Iberoamericana (UNIBE) in Santo Domingo, Dominican Republic. He did his specialization in General Surgery at the Santa Casa de Misericordia Hospital in Rio de Janeiro, Brazil. Dr. Mejia then continued for 3 years, training under the renowned Professor Doctor Ivo Pitanguy, at the Holy House of Mercy, obtaining his specialty in Plastic Surgery.  Member of the Dominican Society of Plastic and Reconstructive Surgery (SODOCIPRE) of the International Society of Aesthetic Plastic Surgery (ISAPS), FILACP, CMD, International Confederation for Plastic, Reconstructive & Aesthetic Surgery (IPRAS) Alumni Association Prof . Ivo Pitanguy (AEXPI), and American Academy of Anti-Aging Medicine (A4M).



Patient Care Coordinator

Kelly Floyd
Patient Care Coordinator

As Patient Care Coordinator, Kelly personally provides assurance of the high level of service that our patients require. From diagnosis to treatment to recovery, Kelly assists patients communicate their needs to the medical staff, assists patients in using information and resources, and offers support to the families. Her professional, caring approach provides a significant added benefit for both patients and families. It is another benefit Regenocyte provides its patients with the highest quality of care.