Dr. med. Sibylle Wolleb
Specialist in medical oncology and internal medicine
Languages
German, English
Contact and location
Core competencies
Urological and gastrointestinal tumors, lung cancer
Career
Since April 2025
Co-Site Manager Center for Integrative Oncology, Uster
2022-2025
Head of Oncology and Internal Medicine, Uster Hospital
2020-2022
Deputy Head of Oncology and Internal Medicine, Uster Hospital
2015-2020
Senior physician in oncology, Uster Hospital
2014-2014
Deputy Senior Physician Oncology, Emmental Hospital, Burgdorf
2011-2014
Assistant physician in oncology, Inselspital Bern
2010-2011
Assistant doctor in oncology, Thun Hospital
2009-2010
Resident in Internal Medicine, Inselspital Bern
2006-2009
Resident in Internal Medicine, Tufts Medical Center in Boston, USA
2005-2006
Assistant Surgeon, Limmattal Hospital, Schlieren
Training and further education
2016
FMH specialist title for medical oncology
2012
FMH specialist title for internal medicine
2009
US-American specialist title for internal medicine
2007
Dissertation at the University of Zurich
2004-2006
United States Medical Licensing Exam (USMLE) Step 1-3
2004
State examination, medical studies at the University of Zurich
Memberships
- SGMO (Swiss Society for Medical Oncology)
- ESMO (European Society of Medical Oncology)
- FMH (Swiss Medical Association)
- AGZ (Medical Association of the Canton of Zurich)
- Doctors from Uster

