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	David Seligson MD, Louisville KY
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	John L Esterhai Jr MD, Philadelphia PA
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	John Esterhai MD, Philadelphia PA
2009	Charalampos Zalavras MD PhD Los Angeles CA
2010