Professional organizations
- Member, Czech Psychiatric Society (vice-president 2002-2016)
- Founding member, Board of Czechoslovak Society of Biological Psychiatry (now member, Czech Society of Biological Psychiatry)
- Executive Committee member, Psychopharmacological Society (1990-1993)
- Czechoslovak Biochemical Society, committee member (1991-1994)
- Member, Collegium Internationale Neuro - Psychopharmacologicum (CINP), since 1992
- Member, The New York Academy of Science (since 1992)
- Member, ACADEMIA, MEDICINAE & PSYCHIATRIAE FOUNDATION inc., U.S.A. (1992)
- Member of the Education Committee, WPA 1992-2000
- Member, Standing Committee on Long Range Planning, World Psychiatric Association (1993-1999)
- Member, Czechoslovak Committee of International Brain Research Organization (IBRO)
- Vice-chairman (1994-1996), member, Czech Society of Neuroscience
- Board member (since 1995), member, (1994-2006). Czech Association of the CLUB OF ROME.
- Member (1994), Board member (1999-), President-elect (2001-2003 and 2011-2013), President (2003-2005 and 2013-2015), Czech Neuropsychopharmacological Society
- Member (1994-) , Vice-chairman (1994-1996), "Učená společnost" (Learned Society), Czech Republic
- Member, committee member (1994-1995), European College of Neuro-Psychopharmacology (ECNP).
- Member, Sigma Xi, The Scientific Research Society (USA) 1995-2000
- Member, Board member (1998-2001; 2004-2015), Executive committee member (2004-2010), president-elect (2005-2006), president (2007-2008), European Psychiatric Association-EPA (former Association of European Psychiatrists-AEP)
- Member, WPA section for Quality Assurance (since 1996)
- Member (1996-), Fellow (2003-), Royal College of Psychiatrists, Great Britain
- Honorary member, Pet-therapy society (1997-2000)
- Advisory Committee, Core Curriculum in Psychiatry for Medical Students, WPA 1997
- Member, American Academy of Clinical Psychiatrists
- Member, Academia Scientiarum et Artium Europaea (since 1998)
- Member, American Psychiatric Association (since 1998)
- Chairman, committee for DSc. dissertations in neurology and psychiatry (specialty No 51-12-9 and 51-13-9)
- Member, Operational Committee on Education, WPA (1999-2002).
- Member, Financial Committee AEP (2000-2005)
- Member, WFSBP Task Force on Treatment Guidelines for Bipolar Disorders (since 2002)
- Member, Educational Committee, European College of Neuropsychopharmacology (2003-April 2008)
- Member, Standing Committee for DSc graduation in Biomedicine. (2003-)
- Member, Standing Committee for Doctorates in "Cognitive Sciences " (2003-)
- Member, Standing Committee for Doctorates in "Neuroscience " (2003-2024)
- Member, Mental Health Working Party, European Commission, Directorate C2 (2003-)
- Member, Corresponding Organizations Committee CINP (2005-)
- Member, Steering Committee, "3rd international conference On the synthesis of psychotherapy and pharmacotherapy", October 30 – November 3, 2003.
- President, Czech Medical Academy (February 2004-March 2011)
- Member, Certification board for doctor disserations in Biomedicine (2004-)
- Member, Section of Pharmacopsychiatry, World Psychiatric Association (WPA) (2004-)
- Member, AEP CME Evaluation committee. (2005-)
- President (2008-2009), Federation od European Academies of Medicine (FEAM)
- Honorary member, Slovak psychiatric society (2006).
- Member, World Federation of Societies of Biological psychiatry (WFSBP).
- Board Member, European Brain Council
- Adviser, United BioSource Corporation (January 2008-)
- Member, Maudsley International Advisory Board, King's College, London, Great Britain
- Member, WPA section on education, 2008-
- American Psychiatric Association (APA) - International Distinguished Fellow
- Member, Nominating Committee, European College od Neuropsychopharmacology (ECNP)
- Honorary member, Czech Neuropsychopharmacological Society (CNPS)
- Member, Alzheon Scientific Advisory Board,
