INMM has been led by the following individuals over its five-decade history.
| 1958-1961 | Ralph Lumb |
| 1962 | Tom Bowie |
| 1963 | Ed North |
| 1964 | Hugh Donovan |
| 1965-1966 | Ed Johnson |
| 1967-1968 | Lynn Hurst |
| 1969-1970 | Bernie Gessiness |
| 1971-1972 | James Lovett |
| 1973-1974 | Harley Toy |
| 1975-1976 | Armand Soucy |
| 1977-1978 | Roy Cardwell |
| 1979-1980 | Robert Keepin |
| 1981-1982 | Gary Molen |
| 1983-1984 | John Jaech |
| 1985-1986 | Yvonne Ferris |
| 1987-1988 | Charles Vaughan |
| 1989-1990 | John Lemming |
| 1991-1992 | Darryl Smith |
| 1993-1994 | Dennis Mangan |
| 1995-1996 | James Tape |
| 1997-1998 | Obie Amacker, Jr. |
| 1999-2000 | Deborah Dickman |
| 2001-2002 | James D. Williams |
| 2003-2004 | John C. Matter |
| 2005-2006 | Cathy Key |
© 2008 Institute for Nuclear Materials Management