The Executive Board of MSIS consists of President, Vice-President, Secretary/Treasurer, Member-at-Large, Past-President and Second Past-President. Each positon except the Sec\Treas serve one year terms, starting at the Annual Scientific Meeting in August. The Sercretary\Treasurer serves a multi year term: Richard Evans 1989- 1995, and Doug Osmon 1995 to 2006, Ellie Barberi 2006 to present. Succession on the Executive Board provides continuity to the society.

1989
1990
1991
1992
1993	Carl L Nelson MD, Little Rock AR
1994	Jon T Mader MD, Galveston TX
1995	Richard P Evans MD, Denver CO
1996	Arlen D Hanssen MD, Rochester MN
1997
1998	Jack L LeFrock MD, Sarasota FL
1999	George Cierny III MD, Atlanta GA
2000	Paul D Holtom MD, Los Angeles CA
2001	Stephen B Schnall MD, Los Angeles CA
2002	Alex C McLaren MD, Phoenix AZ
2003	Nalini Rao MD, Pittsburgh PA
2004	J Robert Cantey, Charleston SC
2005	M Danny Wongwarawat, Loma Linda CA
2006	G Cierny MD, San Diego CA
2007	Doug Osmon MD, Rochesert MN
2008
2009
2010