Professor Michael Zitzmann

Professor Michael Zitzmann is specialised within the fields of andrology, endocrinology, diabetology and sexual medicine at the University Clinics of Muenster, Germany. Regarding patient care, he focusses on endocrinological andrology and patients with sexual disorders: boys with pubertal disorders up to aging men with a variety of sexual and metabolic problems seek his advice.
Couples with fertility problems also form a major part of the patient clientele, as well as men with chronic inherited hormone disorders requiring life-time attention, especially Klinefelter Syndrome.
Prof. Zitzmann has developed treatment programs for the induction of fertility in hypogonadal men. He is largely involved in the research of the interplay of genetics, hormones, psychological characteristics and metabolism/obesity and has received several international awards and grants in recognition of his work.
Since more than 25 years, his research also focusses on the development of contraceptives for men. Since then, he continues to perform as principal investigator in many international studies, collaborating with WHO and other organisations.
Michael Zitzmann is a member of international committees, journal editorial boards and is on the Educational Board of the European Association of Andrology (EAA) and the German Adiposity Foundation. He is on the Board of the European Society of Sexual Medicine (ESSM) and holds the status of a Fellow of the European Committee of Sexual Medicine (FECSM).
Michael Zitzmann is Editor in Chief of the journal The Aging Male and is on the Board of the US-American Androgen Society. He is author of several guidelines, including the EAA guideline on functional hypogonadism and the EAA guideline on Klinefelter Syndrome.
He was recently elected Honorary Member of the Royal Society of Medicine of the United Kingdom (Fellow of the Royal Society of Medicine). He received the „Dedication to Education Award“ der American Endocrine Society in May 2024 and was awarded the honorary doctorate by the University of Iasi, Romania, also in May 2024.
In March 2025 he was elected to join the Board of the International Society of Andrology