(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