Born in 1950 in Calw (Black Forest), Germany. Education in social pedagogy. Living as independent publisher, author and freelance activist of humanistic antipsychiatry in Berlin. In 1986, foundation of Peter Lehmann Publishing and Mail-order Bookstore (Germany), in 2003, founding of a branch in UK, 2004-2015 in USA. Since 1990, co-editor of the Journal of Critical Psychology, Counselling and Psychotherapy (United Kingdom). Since 2013, Patron for the Berlin Organisation of Users and Survivors of Psychiatry. More see Curriculum vitae, Wikipedia & Facebook
In 1980, co-founder of a self-help group of (ex-) users and survivors of psychiatry and advising in psychiatric drugs and withdrawal until 1989. In 1987, co-founder of PSYCHEX (alliance of lawyers, doctors and survivors of psychiatry to support people who are incarcerated in psychiatric institutions in Switzerland); since then, board member. In 1989, co-founder of the Organisation for the Protection from Psychiatric Violence (running the Runaway House Berlin: house for people seeking shelter from psychiatric violence, opened in 1996). In 1991, co-founder of the European Network of (ex-) Users and Survivors of Psychiatry (ENUSP); from 1997 to 1999, Chair of ENUSP; until 2010, board member; since 2014, individual member. From 1994 to 2000, board member and from 2001-2016 webmaster of the German organisation of Users and Survivors of Psychiatry (BPE). From 1997 to 2000, member of the Executive Committee of Mental Health Europe, the European section of the World Federation for Mental Health. Since 2013, blogger at Mad in America. More seeMemberships
In 2010, awarded an Honorary Doctorate in acknowledgement of "exceptional scientific and humanitarian contribution to the rights of the people with psychiatric experience" by the Aristotle University of Thessaloniki. In 2011, awarded the Order of Merit of the Federal Republic of Germany in acknowledgement of service to the community by the President of Germany.
Book publications include: