Jack E. Ansell, M.D., is Professor of Medicine at Boston University School of Medicine and serves as Vice Chairman for Clinical Affairs in the Department of Medicine and interim Chief of Hematology/Oncology at Boston University Medical Center.

Dr. Ansell's main areas of interest and research include hemostasis and thrombosis, with a special emphasis on thrombotic disorders and antithrombotic therapy. He has had a continued interest and involvement in the application of new modes of delivering and monitoring anticoagulants, particularly in the management of oral anticoagulant therapy.

Dr. Ansell has well over 200 publications including original research, reviews, editorials, chapters and books. He serves as a Senior Associate Editor for the Journal of Thrombosis and Thrombolysis and Current Clinical Pharmacology and as an editorial consultant for such journals as The New England Journal of Medicine, Blood, Journal of Thrombosis and Haemostasis, Chest,and Circulation. Dr. Ansell is the founder and immediate past Chair of the Anticoagulation Forum, a network of anticoagulation clinics throughout North America, and is a member of a number of professional organizations including the American College of Physicians (Fellow), the American Society of Hematology, the International Society of Thrombosis and Haemostasis and its Scientific Subcommittee on Haemostasis Testing, the American Heart Association (Fellow), and the American Medical Association. Dr. Ansell also serves as Chair of two consensus committees of the American College of Chest Physicians: Managing Oral Anticoagulation and The Perioperative Management of Antithrombotic Therapy.