Past Masters
● = Deceased ◊ = Demitted × = Suspended NPD ▼ = Expelled
- 1948Herbert Wolff (UD)●
- 1949Abraham Jacobson●
- 1950Elmer O. Hinman●
- 1951William J. Eichorn, HPGM●
- 1952Kenneth R. Pearson●
- 1953Leroy R. Allen
- 1954Richard S. Kucharski●
- 1955George S. Horiuchi, PGM●
- 1956Robert N. Nishigawa●
- 1957Nohea O. A. Peck, PGM●
- 1958William P. Connors●
- 1959Francisco A. B. Yule
- 1960Floyd J. Robertson, PGM●
- 1961Mahlon E. Seese●
- 1962Yoshio Yamada, PGM●
- 1963Richard E. Olmstead●
- 1964Frederick T. Esch●
- 1965Alfred E. Voyce●
- 1966Alfred R. Harrison
- 1967Shigeru Nishiyama, PGM●
- 1968William P. Connors●
- 1969James E. Grimes●
- 1970Robert L. Williams●
- 1971Louie T. Vanvig●
- 1972Louie T. Vanvig●
- 1973Bruce A. Riffle●
- 1974Honorio B. Alvarez●
- 1975Thomas H. Hodges●
- 1976Leland L. Bartelson●
- 1977James F. McGowan ×
- 1978Jose J. Deluna
- 1979Jack C. Barrs
- 1980Saburo Katagiri, PGM●
- 1981Saburo Katagiri, PGM●
- 1982Thomas H. Hodges●
- 1983William J. Lasalle●
- 1984Katsuhiko Otani
- 1985Tadashi Ohashi●
- 1986Rowland P. Hunt●
- 1987Tadashi Ohashi●
- 1988Clifford R. Ashenden
- 1989Clifford R. Ashenden
- 1990Kazuhiro Watanabe, PGM●
- 1991John A. McCauley
- 1992John A. McCauley
- 1993William M. Heath, PGM●
- 1994Kazuhiro Watanabe, PGM●
- 1995Henry W. Welsh●
- 1996Jimmie D. Warnell
- 1997Jimmie D. Warnell
- 1998Takumi Masaki
- 1999Takumi Masaki
- 2000Rodolfo C. Herrera
- 2001William M. Heath, PGM●
- 2002William M. Heath, PGM●
- 2003William M. Heath, PGM●
- 2004Rodolfo C. Herrera
- 2005Rodolfo C. Herrera
- 2006Rodolfo C. Herrera
- 2007Takumi Masaki
- 2008Janusz Buda ◇
- 2009Janusz Buda ◇
- 2010Norihiro Inomata, PGM
- 2011Norihiro Inomata, PGM
- 2012Masanori Sagara
- 2013Takashi Tsujii
- 2014Takashi Tsujii
- 2015Taiki Ogawa
- 2016Taiki Ogawa
- 2017Shunji Suzuki ▼
- 2018Yoshiyuki Miyauchi
- 2019Yoshiyuki Miyauchi
- 2020Tatsuo Wada
- 2020Tatsuo Wada
- 2022Tatsuro Hayashi
- 2023Tatsuro Hayashi
Honorary Past Masters
2003 Walter M. Johnson●