Since 1942
*Awarded past-chair pins
| Year | Chair | Chair-Elect | Secretary | Treasurer |
| 1942 | George R. Laure (dec) | Gerald Osborn | Hal B. Coats | John T. Correll |
| George R. Laure | A.P. Centolella | |||
| 1943 | Gerald G. Osborn (dec) | F.L. Chappell, Jr. | John T. Correll | A.P. Centolella |
| 1944 | F.L. Chappell, Jr. | Lemuel F. Smith | John T. Correll | A.P. Centolella |
| Harry F. Meier | ||||
| 1945 | Harry F. Meier | D. Robert Erickson | John T. Correll | A.P. Centolella |
| 1946 | D. Robert Erickson | Eugene H. Woodruff | L.G. Knowlton | A.P. Centolella |
| 1947 | Eugene H. Woodruff (dec) | Allen B. Stowe | L.G. Knowlton | John W. Greiner |
| 1948 | Eugene H. Woodruff (dec) | Allen B. Stowe | L.G. Knowlton | Jared H. Ford |
| 1949 | Allen B. Stowe | Theodore W. Conger | L.G. Knowlton | Jared H. Ford |
| 1950 | Theodore W. Conger (dec) | Jack W. Hinman | L.E. Strong | Jared H. Ford |
| 1951 | Jack W. Hinman (dec) | L.E. Strong | Arnold C. Ott | R.V. Heinzelman |
| 1952 | L.E. Strong | R.V. Heinzelman | Jared H. Ford | A. Vern McIntosh, Jr. |
| R.V. Heinzelman (dec) | L.G. Knowlton | Jared H. Ford | A. Vern McIntosh, Jr. | |
| 1953 | R.V. Heinzelman (dec) | L.G. Knowlton | Lester L. Coleman | Hilda T. Myers |
| 1954 | L.G. Knowlton | D.A. Shepherd | Lester L. Coleman | Fred Kagan |
| 1955 | Douglas A. Shepherd * | Fred Kagan | Robert H. Reitsema | Robert E. Boehme |
| 1956 | Fred Kagan | Robert H. Reitsema | Hilda T. Myers | Peter D. Meister |
| 1957 | John B. Wright | Peter D. Meister | David H. Gregg | Gerald Osborn |
| 1958 | Peter D. Meister | David H. Gregg | George B. Whitfield | Kurt D. Kaufman |
| 1959 | David H. Gregg | Hugh V. Anderson | Mary S. Duggan | Donald C. Iffland |
| 1960 | Hugh V. Anderson (dec) | Kurt D. Kaufman | Mary S. Duggan | Brian Bannister |
| 1961 | Kurt D. Kaufman (dec) | George B. Whitfield | Lillian Meyer | Bruce McGarvey |
| 1962 | George B. Whitfield (dec) | Ross R. Herr | Jerome H. Ludwig | Robert H. Anderson |
| 1963 | Ross R. Herr (dec) | Robert H. Anderson | Arch B. Spradling | Elizabeth Cerda |
| 1964 | Robert H. Anderson (dec) | William Schroeder, Jr. | Arch B. Spradling | Byron A. Johnson |
| 1965 | Paul F. Wiley (dec) | Arch B. Spradling | Byron A. Johnson | Donald J. Brown |
| 1966 | Arch B. Spradling | Donald C. Iffland | Thomas F. Brodasky | Donald J. Brown |
| 1967 | Donald C. Iffland* (25th anniv) | William J. Wechter | Frederick J. Bassett | Leonard Worden |
| 1968 | Donald C. Iffland (dec) | Brian Bannister | Frederick J. Bassett | Paul A. Belter |
| Brian Bannister (dec) | Brian Bannister | Frederick J. Bassett | Paul A. Belter | |
| 1969 | Brian Bannister (dec) | Frederick J. Bassett | Alan H. Nathan | David Duchamp |
| 1970 | Frederick J. Bassett (dec) | Robert C. Nagler | Gordon Bundy | David Duchamp |
| 1971 | Robert C. Nagler * (dec) | Robert E. Harmon | Gordon Bundy | David L. Smith |
| 1972 | Robert E. Harmon (dec) | Dan Lednicer | Pauline Zeleznik | David L. Smith |
| 1973 | Dan Lednicer | Robert C. Kelly | Pauline Zeleznik | Gordon Bundy |
| 1974 | Robert C. Kelly * (dec) | Tom Oesterling | Kathleen Walsh | Gordon Bundy |
| 1975 | Tom Oesterling | Dean W. Cooke | Kathleen Walsh | Margaret Merritt |
| 1976 | Dean Cooke (dec) | Thomas Hylton | Ruth E. TenBrink | Margaret Merritt |
| 1977 | Thomas Hylton | R. Bruce Moffett | Ruth E. TenBrink | Joseph Kanamueller |
| 1978 | R. Bruce Moffett (dec) | Tom J. Lobl | Fred Antosz | Joseph Kanamueller |
| 1979 | Tom J. Lobl | Terry J. Gilbertson | Fred Antosz | Ilse Schletter |
| 1980 | Terry J. Gilbertson | Lydia E.M. Hines | F. Lee Shenton | Ilse Schletter |
| 1981 | Lydia E.M. Hines * | Wade J. Adams | F. Lee Shenton | Harvey N. Myers |
| 1982 | Wade J. Adams * | Paul Satoh | Joseph M. Timko | Harvey N. Myers |
| 1983 | Paul Satoh | Rhoda Craig | Joseph M. Timko | Amy Abe |
| 1984 | Rhoda Craig | Stephen J. Nelson | Ronald K. Lustgarten | Amy Abe |
| 1985 | Stephen J. Nelson | Wallis G. Hines | Ronald K. Lustgarten | Ruth Caputo |
| 1986 | Wallis G. Hines (dec) * | Lester Dolak | Ronald K. Lustgarten | Ruth Caputo |
| 1987 | Lester Dolak | Tomi K. Sawyer | Alex Cazers | Ruth Caputo |
| 1988 | Tomi K. Sawyer | Jed F. Fisher | V. Susan Bradford | Ruth Caputo |
| 1989 | Jed F. Fisher * | John C. Sih | V. Susan Bradford | Veronica Wiley |
| 1990 | John C. Sih | Michael S. Lajiness | Margaret McShane | Veronica Wiley |
| 1991 | Michael S. Lajiness | Douglas J. Harper | Margaret McShane | Susan Haadsma-Svensson |
| 1992 | Douglas J. Harper * (50th anniversary, dec) | Robert E. Harmon | William Kelly | David Alexander |
| 1993 | Robert E. Harmon (dec) | John C. Greenfield | William Kelly | Jeffery Spencer |
| 1994 | John C. Greenfield * | Thomas Pinkerton | Sheryl Loux | Joseph Kanamueller |
| 1995 | Thomas Pinkerton | Marvin F. Grostic | Sheryl Loux | Joseph Kanamueller |
| 1996 | Marvin F. Grostic * (dec) | Mark E. Gerger | Bradley Hewitt | Joseph Kanamueller |
| 1997 | Mark E. Gerger (dec) | Donald Schreiber | Bradley Hewitt | Joseph Kanamueller |
| 1998 | Donald Schreiber * | John Stodola | Dawn Merritt | Joseph Kanamueller |
| 1999 | John Stodola * | Jed F. Fisher | Dawn Merritt | Michael Kiella |
| 2000 | Jed F. Fisher * | Brian Stockman | Brian Buffin | Michael Kiella |
| 2001 | Brian Stockman * | —— | Brian Buffin | Michael Kiella |
| 2002 | Brian Stockman * | Benjamin Maxey | Brian Buffin | Michael Kiella |
| 2003 | Benjamin Maxey * | Patrick Irish | Brian Buffin | Michael Kiella |
| 2004 | Patrick Irish * | Kent Alleman | Joan Esson | Michael Kiella |
| 2005 | Kent Alleman * | Michael Kiella | Joan Esson | Shawn Hawk |
| 2006 | Michael L. Kiella * | Monica Whitmire | Amy St. Charles | Shawn Hawk/John Miller |
| 2007 | Monica L. Whitmire * | James Kiddle | Barbara Lee | John Miller |
| 2008 | James Kiddle * | Donald Schreiber | Carl Stachew | John Miller |
| Donald Schreiber * | ||||
| 2009 | Donald Schreiber * | Susan Stapleton | Carl Stachew | John Miller |
| 2010 | Susan Stapleton * | P. Douglas Williams | Carl Stachew | John Miller |
| 2011 | P. Douglas Williams * | —— | Carl Stachew | John Miller |
| 2012 | Elke Schoffers * | —— | Carolyn Pugh | John Miller |
| 2013 | Elke Schoffers * | John Engelmann | Carolyn Pugh | John Miller |
| 2014 | John Engelmann * | Brian M. Eklov | Angela Willson | John Miller |
| 2015 | Brian Eklov * | —— | Angela Willson | Andre Venter |
| 2016 | Brian Eklov * | —— | Angela Willson-Conrad | Andre Venter |
| 2017 | Stephen Secreast (75th anniv) * | —— | Angela Willson-Conrad | Andre Venter |
| William Schinzer | ||||
| 2018 | Stephen Secreast * | Lucas Chadwick | Angela Willson-Conrad | William Schinzer |
| Kelly Teske | ||||
| 2019 | Lucas Chadwick * | Hershel Jude | Kelly Teske | William Schinzer |
| 2020 | Hershel Jude * | Edward W. Thomas | James Redwine | William Schinzer |
| 2021 | Edward Thomas* | Benjamin Maxey | James Redwine | P. Douglas Williams |
| 2022 | Benjamin Maxey* | Jake Kirkendall | P. Douglas Williams | |
| 2023 | Benjamin Maxey* Dibyendu Mondal | Jake Kirkendall | P. Douglas Williams | |
| 2024 | Dibyendu Mondal | Nicole Burke | Jake Kirkendall | P. Douglas Williams |