Presidents
- 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
- 2016-2022
- Prof Ning Yang, China
- 2022-
- Dr M. Tixier-Boichard, France
Secretaries
- 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 Rose-Marie Wegner, Germany
- 1996-2008
- Dr Piet C.M. Simons, The Netherlands
- 2008-2022
- Dr Roel W.A.W. Mulder, The Netherlands
- 2022-
- Ir P.L.M. van Horne, The Netherlands
