Jan Grosser was born in 1963 in Kiel. He grows up as a single child with his parents. In 1981 he converts to the The Church of Jesus Christ of Latter Day Saints (Mormones). After finishing his A-levels in 1983 he moves to South Carolina, USA where he works as a missonary for the South Carolina Columbia Missionary. In 1985 he starts to study medicine at the Southern Utah University but with his coming out two years later he leaves the Mormone church and moves back to Germany. In 1988 he restarts his studies of medicine at the universtiy of Hamburg. During his college years he works in nursing and as a medical intern in the US. After his succecsful graduation from med school he starts his work as a med in the department of psychiatry at the Moabit hospital in Berlin. In 1996 Jan is diagnosed with HIV and starts therapie right away. He moves to London in the following year where he works as assistant doctor in several London hospitals. He finishes his residency in psychiatry and starts to work as psychatrist and specialises in the field of mental disorders and addictive disorder. Due to consistent health problems after suffering from a serious brain tuberculosis he reduces to work part time. In 2011 Jan moves back to Berlin and retires from his medical work as a psychatrist. Today he lives in Berlin Schöneberg and works as a freelance photographer.