President

  • 2014 – 2017 Toyoshi Satow, Japan
  • 2012 – 2014 Neal King, United States of America
  • 2011 – 2012 Michael Adams, United States of America
  • 2008 – 2011 Barham Madain Ayub, Chile
  • 2005 – 2008 Pornchai Mongkhonvanit, Thailand
  • 2002 – 2005 Ingrid Moses, Australia
  • 1999 – 2002 Sven Caspersen, Denmark
  • 1996 – 1999 Donald Gerth, United States of America
  • 1993 – 1996 Kan Ichi Miyaji, Japan
  • 1990 – 1993 Rafael Cartagena, Puerto Rico
  • 1987 – 1990 Luis Garibay, Mexico
  • 1984 – 1987 Nibhond Sasidhorn, Thailand
  • 1981 – 19841Leland Miles, United States of America
  • 1974 – 1981 Young Seek Choue, Republic of Korea
  • 1971 – 1974 Young Seek Choue (Acting)2, Republic of Korea
  • 1971 Rocheforte Weeks3, Liberia
  • 1964 – 1971 Peter Sammartino, United States of America

The charter of IAUP was rewritten in 1978 to place a term limit on the President.
Young Seek Choue was elected Vice-President of IAUP in 1971 and became Acting President when Rocheforte Weeks resigned.
Soon after Rocheforte Weeks of Liberia was elected as the second President of IAUP in June 1971, the President of Liberia, William Tubman, died in office. The new President of Liberia chose Weeks to be Foreign Minister. Rocheforte Weeks accepted and resigned as IAUP President.

Secretary-General

  • 2014 – 2017 Alvaro Romo, United States of America
  • 2011 – 2014 Jason Scorza, United States of America
  • 2008 – 2011 Heitor Gurgulino de Souza, Brazil
  • 2005 – 2008 Alvaro Romo de la Rosa, Mexico
  • 2002 – 2005 James McWha, Australia
  • 1999 – 2002 Jef Van der Perre, Belgium
  • 1996 – 1999 Maurice Harari, United States of America
  • 1993 – 1996 Yukiyasu Harano, Japan
  • 1990 – 1993 Alvaro Romo de la Rosa, Mexico
  • 1987 – 1990 Alvaro Romo de la Rosa, Mexico
  • 1984 – 1987 Charoen Khantawongs, Thailand
  • 1981 – 1984 William Allen, United States of America
  • 1974 – 1981 Won Sul Lee, Republic of Korea
  • 1971 – 1974 Won Sul Lee, Republic of Korea

Treasurer

  • 2014 – 2017 Ichiro Tanioka, Japan
  • 2011 – 2014 Carmen Lamagna, Bangladesh
  • 2008 – 2011 José Rodríguez, Chile
  • 2005 – 2008 Suchart Uphatam, Thailand
  • 2002 – 2005 Denise Bradley, Australia
  • 1999 – 2002 Michael Daxner, Germany
  • 1996 – 1999 Robert Jones, United States of America