| 2021 - 2023 | Kenneth Aggerholm |
| 2019 - 2021 | Pam Sailors |
| 2017-2019 | Alun Hardman |
| 2015-2017 | Charlene Weaving |
| 2013-2015 | Jesus Ilundain-Agurruza |
| 2011-2013 | Carwyn Jones |
| 2009-2011 | Cesar Torres |
| 2007-2009 | Danny Rosenberg |
| 2005-2007 | Heather L. Reid |
| 2003-2005 | Jan Boxill |
| 2002-2003 | Sigmund Loland |
| 2001-2002 | Nicholas Dixon |
| 2000-2001 | Mike McNamee |
| 1999-2000 | Angela Schneider |
| 1998-1999 | Robert L. Simon |
| 1997-1998 | Sharon K. Stoll |
| 1996-1997 | Gunnar Brievik |
| 1995-1996 | Akio Kataoka |
| 1994-1995 | Bob Osterhoudt |
| 1993-1994 | Terence J. Roberts |
| 1992-1993 | Gunter Gebauer |
| 1991-1992 | Joy T. DeSensi |
| 1990-1991 | David L. Fairchild |
| 1989-1990 | W. Miller Brown |
| 1988-1989 | Peter J. Arnold |
| 1987-1988 | William J. Morgan |
| 1986-1987 | Shinobu Abe |
| 1985-1986 | Spencer K. Wertz |
| 1984-1985 | Klaus Meier |
| 1983-1984 | Warren Fraleigh |
| 1982-1983 | Carolyn E. Thomas |
| 1981-1982 | R. Scott Kretchmar |
| 1980-1981 | Hans Lenk |
| 1979-1980 | Drew Hyland |
| 1978-1979 | Harold J. VanderZwaag |
| 1977-1978 | Luther J. Binkley |
| 1976-1977 | Francis Keenan |
| 1975-1976 | Bernard Suits |
| 1974-1975 | Earle Zeigler |
| 1973-1974 | Warren Fraleigh |
| 1972-1973 | Paul Weiss |