Professor Tim Tollens Professor Tim Tollens
Bonheiden, Belgium

Dr. Tollens, born in Belgium, grew up in the Democratic Republic of Congo. After six years in central Africa, the family moved around the world and stayed among others in the United States of America.

He had his training at the Catholic University of Leuven under Prof. Dr. P. Broos, at the Pretoria Academic Hospital under Prof. Dr. JHR. Becker and at the Imelda Hospital in Bonheiden. Dr. Tollens graduated as a General Surgeon from the Catholic University of Leuven with Greatest Distinction.

He is interested in Laparoscopic Surgery in general with focus on the areas of colorectal and hernia surgery. Dr. Tollens frequently makes contributions to national and international congresses in minimally invasive surgery and herniology. Performing a large number of hernioplasties, he runs annually more than 25 international courses on hernia surgery. He also participates in clinical trials and has published several clinical papers in different international research journals.


Lee L Swanstrom, M.D.Lee L Swanstrom, M.D.

Dr. Lee Swanstrom heads the Division of GI and Minimally Invasive Surgery at the Oregon Clinic and is Director of the Providence Health System's Complex GI and Foregut Surgery Postgraduate Fellowship Program.  In addition, he holds an appointment as Clinical Professor in the Department of Surgery at OHSU, sits on the Board of the American Board of Surgery and is Past President of the Society of American Gastrointestinal Endoscopic Surgeons (SAGES) and of the Fellowship Council (FC). Most recently, he became the Chief Innovations Officer of the Institute Hopitaux Universitaires of the University of Strasbourg, France. His clinical practice is primarily surgical endoscopy and foregut surgery.

Dr. Swanstrom received his MD degree from Creighton University following undergraduate work at the University of Paris (Sorbonne) and University of Colorado.  He completed an internship and residency in general surgery in Portland followed by a fellowship in surgical endoscopy and GI surgery at the University of Western Ontario.

Dr. Swanstrom’s clinical focus is on minimally invasive treatments of a variety of esophageal and gastrointestinal disorders, particularly utilizing laparoscopy and interventional flexible endoscopy. He is a well known researcher with over 200 scientific papers, 50 book chapters and is the editor of 2 major surgical textbooks and the journal Surgical Innovation. His research focus is in foregut physiology, human factors and technology assessment and new procedure development. He is and has been an investigator on numerous outcomes research studies for new procedures such as NOTES to determine their safety and efficacy for establishing new standards of care.


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