Fachpositionen
- Medical Director at the Private Center for Endocrinology, Preventive and Reproductive Medicine, Gynecology, Duesseldorf, Germany
- Consultant at the Leuven Institute for Fertility and Embryology (L.I.F.E), Leuven, Belgium
- Consultant at the Southern California Reproductive Center, Beverly Hills, California, USA
- Founder, Former Medical Director and Former Senior Partner at the Center for Reproductive Medicine, Endocrinology, Genetics and Antiaging Medicine, Duesseldorf, Germany
- President-elect and Founding Board Member of the International Society of Fallopian Tubes (ISFT)
- Director of HCV Vermoegensverwaltung- und Service Ltd
- Chairman of the Board of the European Fertility Associates
- Former Visiting Endocrinologist/Gynaecologist at the Dubai Herbal and Treatment Centre, Dubai, UAE
- Former Member of the Board of the International Society for Gynecologic Endoscopy (ISGE)
- Former Member of the Board of the German Society for Antiaging Medicine (GSAAM)
- Member of the Executive Advisory Board of the ObGyn.net
- Reviewer of "Fertility and Sterility", the official Journal of the American Society for Reproductive Medicine (ASRM)
- Reviewer of the "International Journal of Gynecology and Obstetrics", the official Journal of the International Federation of Gynecology and Obstetrics (FIGO)
- Reviewer of the "Journal of Minimally Invasive Gynecology", the official Journal of the American Association of Gynecologic Laparoscopists (AAGL)
- Reviewer of "Gynecological Surgery", the official Journal of the European Society for Gynecological Endoscopy (ESGE)
- Reviewer of the "European Journal of Obstetrics and Gynecology and Reproductive Biology"
- Reviewer of "The Aging male", the official Journal of the International Society for the Study of the Aging Male (ISSAM)
- Peer Reviewer of the "Endometriosis Zone", www.endometriosis.org