Former UIPI Presidents
| Period | Name |
| 1923 – 1939 | Jean Larmeroux (FR) |
| 1939 – 1940 | Bernardo A. Genco (IT) |
| 1948 – 1952 | Charles Ramarony (FR) |
| 1952 – 1965 | General Pierre Hanoteau (FR) |
| 1966 – 1968 | Franco Bologna (IT) |
| 1968 – 1971 | Senator Luigi Davide Grossi (IT) |
| 1971 – 1974 | V. E. Preusker (CH) |
| 1974 – 1987 | Prof. Guido Gerin (IT) |
| 1987 – 1999 | Prof. Dr. Lujo Tončić-Sorinj (AU) |
| 1999 – 2000 | Ing. Attilio Viziano (IT) |
| 2000 – 2004 | Henny J. van Herwijnen (NL) |
| 2005 – 2025 | Stratos J. Paradias (EL) |
| 2025 – … | Kai H. Warnecke (DE) |
Former UIPI General Secretaries
| Period | Name |
| 1928– 1930 | Mme. M. Chassaignon (FR) |
| 1935 – 1939 | Bernardo Attilio Genco (IT) |
| 1950 – 1951 | Jean Poncet (CH) |
| 1951 – 1955 | Georges Mellet (FR) |
| 1956 – 1958 | Jean Poncet (FR) |
| 1964 – 1968 | P. Homme (FR) |
| 1969 – 1975 | Max Montchal (CH) |
| 1975 – 1976 | Andres Druesnes (FR) |
| 1976 – 1980 | Giorgio Macerata (IT) |
| 1980 – 1982 | Andres Druesnes (FR) |
| 1983 – 1987 | Jacques Simons (BE) |
| 1987 – 1990 | Michel Wynants (BE) |
| 1990 – 1998 | Jean-Yves Quevy (BE) |
| 1999 – 2004 | Stratos I. Paradias (EL) |
| 2005 – 2006 | Salvatore Conte (BE) |
| 2007 – 2014 | Beatrice Laloux (BE) |
| 2015 – 2020 | France Bauvin (FR) |
| 2020 – … | Emmanuelle Causse (FR) |
Former UIPI Treasurers
| Period | Name |
| 1956 – 1975 | Jean Bazin (FR) |
| 1975 – 1980 | Ludwig Schmid (CH) |
| 1981 – 1982 | Giorgio Macerata (IT) |
| 1982 – 1997 | Eberhard Koellreuter (DE) |
| 1997 – 1999 | Hans-Walter Besser (DE) |
| 1999 – 2000 | Elmar Gratz (CH) |
| 2001 – 2025 | Rudolf Steiner (CH) |
| 2025 – … | Dr. Dario Dal Verme (IT) |
