Dr Stefano Barco completed his residency in internal medicine at the University of Pavia, Italy, and received a PhD in Vascular Medicine from the University of Amsterdam, the Netherlands. He leads a research group at the Center for Thrombosis and Hemostasis of the University Medical Center Mainz, Germany, and is staff physician at the Clinic of Angiology, University Hospital Zurich, Switzerland.

Prof Stephen Black is a Consultant Vascular Surgeon at Guy’s and St Thomas’ Hospital and a Professor of Venous Surgery at Kings College, London. He is the Site Lead for Surgery at Guy’s and St Thomas’ Hospital and the Co-R&D Lead for the Cardiovascular Directorate (Cardiology, Cardio-Thoracic and Vascular Surgery). He was Clinical Lead for Vascular Surgery for 4 years (2019-2023).

Dr Black is the Co-founder & Medical Director of UK Vein Clinic. In private practice he undertakes medical consultations and minimally invasive procedures at 150 Harley Street, London, UK. For complex work, Dr Black's private practice is at Harley Street HCA Clinic in London and Ramsey Ashtead Hospital in Surrey.

His principal clinical interest is the treatment of venous disease. Prof Black has established a large practice in the treatment of both Acute and Chronic Deep Venous Disease as well as superficial venous disorders and together with…