| 2019 | "The Art of Digestion" Book |
| 2009-2012 | Milliyet Newspaper - "Let's Stop the Clocks" |
| 2009 | International Association of Physicians for Healthy Living - Founder |
| 1998-2009 | Columbia Cornell University New York Presbyterian Hospital - International Department Senior Consultant |
| 2005 | WAAAM - World Academy of Anti-Aging Medicine - Academic Board Member |
| 2003 | Vienna-ESAAM - Founding Member of the European Preventive Regenerative and Anti-Aging Medicine Association |
| 1982-1983 | Vip and Fit |
| 1982-Present | Intermed (Nişantaşı Polyclinic) - Founder |
| 2016-2018 | Austrian Medical Chamber - Digestive Health and Modern Mayr Preventive Specialization |
| 1992 | Texas Advanced Health Center - Carotid Doppler |
| 1981 | University Erlangen/Nuremberg - Gastroenterological Endoscopy and Ultrasound |
| 1981 | Turkish Ministry of Health - Internal Medicine Specialization |
| 1976-1981 | Evangelisches Krankenhaus Düsseldorf |
| 1974-1976 | St. Josef Krankenhaus, Düren |
| 1974-1981 | Nordrhein Medical Association Clinics - License |
| 1965-1972 | Istanbul University Faculty of Medicine |
