Dr. Leslie Mesen, MD. PhD, received his degree in Medicine and Surgery from the University of Ibero-America and his Fellowship in Emergency Medicine at the University of Miami. Dr. Mesen is the founder and Chief Medical Officer of the Stem Cells Transplant Institute in San José, Costa Rica. He is also the co-founder and Chief Medical Officer of the Anti-Aging and Wellness Clinic with locations in the Bahamas, Costa Rica, Mexico, and Panama. Established in 2016, the clinic specializes in the treatment of human diseases using autologous, adipose-derived, mesenchymal stem cells.