Mark H. Meissner, M.D. is a Professor of Surgery at the University of Washington School of Medicine. He specializes in Vascular Surgery with clinical interests in acute deep venous thrombosis, chronic venous disease and the post thrombotic syndrome, vascular trauma, abdominal aortic aneurysms, long term follow-up care of acute deep venous thrombosis, pharmacological treatment of venous leg ulcers.. He earned his Medical Degree from the University of Colorado. He completed his surgical residency at the University of Washington, where he went on for his fellowship in Vascular Surgery. He is Board Certified in Surgery and Vascular Surgery. His research interests include: Long-term follow-up of acute deep venous thrombosis and its relationship to chronic venous disease, venous thromboembolism in trauma, pharmacologic treatment of venous leg ulcers, coagulation abnormalities in trauma, and ruptured abdominal aortic aneurysm. He has published and lectured extensively throughout his field.