Officers of the Association
| President | Prof Dr E.N. Silva (Brazil) | |
| Senior Vice- President | Prof Dr W. Bessei (Germany) | |
| Vice-Presidents | Prof Dr S.F. Bilgili (USA), Prof R.M. Gous (South Africa), Prof J.R. Roberts (Australia), Dr M. Tixier-Boichard (France) | |
| Secretary and Assistant Treasurer | Dr R.W.A.W. Mulder (The Netherlands) | |
| Treasurer and Assistant Secretary | Dr F.A. Bradley (USA) | |
| Honorary Past Presidents | Prof Dr R. Akbay (Turkey), Prof J.A. Castello (Spain), Mrs A. Desai (India), Dr P. Hunton (Canada), Dr R.A.E. Pym (Australia), Dr Ir P.C.M. Simons (The Netherlands) | |
| President European Federation | Dr Y. Nys (France) | |
| President Asian and Pacific Federation | Mr A. Gibbins (New Zealand) | |
| Representative of the XXV Congress | Prof N. Yang (China) | |
| Representative of the XXVI Congress | Dr M. Tixier-Boichard (France) | |
| Editor | Dr L.A. Waldron (New Zealand) | |
| Assistant Editor | Mrs D.M. Kleverwal-Velner (The Netherlands) | |
Presidents of the WPSA |
|
| 1912-1927 | Mr Edward Brown, UK (from 1912 to 1921, Edward Brown had been the President of the International Association of Poultry Instructors. In 1928 the organization was formally renamed the World's Poultry Science Association) |
| 1927-1930 | Mr Fred C. Elford, Canada |
| 1930-1933 | Mr W.A. Kock, Denmark |
| 1933-1936 | Professor Alessandro Ghigi, Italy |
| 1936-1939 | Mr Karl Vetter, Germany |
| 1939-1948 | Professor James E. Rice, USA |
| 1948-1951 | Mr W.D. Termohlen, USA |
| 1951-1954 | Mr Alex Wiltzer, France |
| 1954-1958 | Dr Rupert Coles, UK |
| 1958-1962 | Dr H.H. Alp, USA |
| 1962-1966 | Mr Richard C. Blake, Australia |
| 1966-1970 | Professor E.E. Penionzhkevich, USSR |
| 1970-1974 | Professor José Castelló Lloblet, Spain |
| 1974-1978 | Dr A. William Jasper, USA |
| 1978-1984 | Mr Lauriston von Schmidt, Brazil |
| 1984-1988 | Mr Krister Eklund, Finland |
| 1988-1992 | Professor Yukio Yamada, Japan |
| 1992-1996 | Dr Piet Simons, The Netherlands |
| 1996-2000 | Mrs Anuradha J. Desai, India |
| 2000-2004 | Dr Peter Hunton, Canada |
| 2004-2008 | Professor Dr Rüveyde Akbay, Turkey |
| 2008-2012 | Dr R.A.E. Pym, Australia |
| 2012-2016 | Prof Dr E.N. Silva, Brazil |
Secretaries of the WPSA |
|
| 1912-1921 | Dr Raymond Pearl, USA (from 1912 to 1921, Raymond Pearl has been Secretary of the International Association of Poultry Instructors. In 1928 the organization was formally renamed the World's Poultry Science Association |
| 1921-1923 | Professor W.A. Lippincott, USA |
| 1923-1950 | Dr Gustave F. Heuser, USA |
| 1950-1968 | Major Ian Macdougall, UK |
| 1968-1984 | Dr Rupert Coles, UK/Malta |
| 1984-1996 | Professor Dr Rose-Marie Wegner, Germany |
| 1996-2008 | Dr Piet Simons, The Netherlands |
| 2009- | Dr Roel Mulder, The Netherlands |
Treasurers of the WPSA |
|
| 1923-1958 | Dr Gustave F. Heuser, USA |
| 1958-1978 | Dr R. George Jaap, USA |
| 1978-1996 | Dr Wade Brant, USA |
| 1996- | Dr Francine Bradley, USA |