Dr. Koullias has pursued a diverse career in cardiovascular surgery that includes his residency in general surgery at New York Medical College, and Penn State University followed by his residency in cardiothoracic surgery at Yale University. He completed a 4-month fellowship in advanced thoracic aortic endovascular surgery at the German Heart Institute in Berlin, where he gained experience also in the management of aortic complications in patients with Marfan’s disease. Subsequently, he joined a group practice in cardiac surgery in Peoria, IL, where he was an attending from 2007 to 2010, and had a faculty appointment at the University of Illinois. During this period, he gained further training in vascular and endovascular surgery at the Arizona Heart Institute. An active scholar as well as clinician, he has numerous publications to his credit, including book co-authorships (The Role of the Endothelium in Coronary Artery Disease), numerous peer-reviewed articles, and several book chapters. His primary interest is advanced Limb Preservation vascular techniques and advanced wound care techniques. He was the Director of Stony Brook Limb Preservation Center, and Co-Director of Stony Brook Southampton Center of Advanced wound healing and Hyperbaric Medicine. In 2024, he became Division Chief, Vascular and Endovascular surgery, at the Hospital of Saint Catherine’s of Siena. He also became the system Chief for limb Preservation, at the Catholic Health System in NY.

John C. Lantis II, MD, is currently the site Chief and Professor of Surgery at Mount Sinai West Hospital, and the Icahn School of Medicine; in mid-town Manhattan where he practices as a senior vascular surgeon. On January 1, 2024; he was named the Director of advanced wound care; Department of surgery; Mount Sinai healthcare system. In 2023 he became the Editor in Chief of the journal WOUNDS; a Clinical Compendium. He is the past president of the New York Vascular Surgery Society, a founding member of the American Board of Wound Medicine and Surgery, and the Vascular Study Group of New York. He is recognized as a world leader in limb salvage and lower extremity wound healing, which includes a very large breadth of knowledge in regards to cellular and tissue based therapies, negative pressure wound therapy, growth factor and stem cell therapy, and local/regional flap therapy. He has been a principal investigator on over 80 clinical trials.

Jill Sommerset, RVT, FSVU, is a vascular technologist with over 25 years of experience in advanced vascular ultrasound and limb preservation. Jill is an international speaker recognized for her contributions to vascular ultrasound and improving patient outcomes.

Alisha Oropallo, MD FACS, FSVS, FABWMS is a Professor of Surgery at the Donald and Barbara Zucker School of Medicine at Hofstra University/Northwell and the Feinstein Institutes for Medical Research. She practices as the Director of the Comprehensive Wound Healing Center at Northwell Health and Program Director of the Wound and Burn Fellowship program at Northwell Health. Dr. Oropallo completed her residency in Vascular Surgery at Boston University Medical Center and her General Surgery residency at Maimonides Medical Center, NY. She has been the lead investigator on multiple clinical trials, published papers, and has been invited to present lectures in wound healing globally. She is interested in education, research, and quality measures in tissue regeneration to help improve patient outcomes.