Dr. Sista is a Professor of Radiology in the Division of Vascular and Interventional Radiology at Weill Cornell Medicine. He specializes in the endovascular treatment of venous thromboembolic disease (VTE). He has given >140 invited talks at international meetings on the topic and served on national committees. He has authored or co-authored >90 peer-reviewed publications, including clinical practice standards in the medical and radiologic literature. He is on the Editorial Board of Vascular Medicine and Seminars in Interventional Radiology. He is the Study Chair and National Principal Investigator of the landmark, NIH-funded PE-TRACT trial. He was the national Principal Investigator (PI) for the EXTRACT-PE study, sponsored by Penumbra, Inc, the co-PI for the RESCUE PE study, sponsored by Thrombolex, and is on the national steering committee for the NIH-sponsored C-TRACT trial for chronic DVT. He is a Fellow of the Society of Interventional Radiology and the American Heart Association.