The first volunteer Phillips County Community Hospital Board was organized on December 22, 1949 with 18 members: Bud Broun, Ralph Winship, Jake Jansonius, L.G. Spaulding, Howard G. Vogel, Fred Steffens, R.T. Anderson, Hubert Bogart, E.J. Close, W.H. Crow, Alfred Dusin, Ross Ferguson, Elmer Lumpkin, Harvey Rathert, Francis Wachs, John Dickey, McDill “Huck” Boyd and W.W. Gibbs.

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Later, five members of the original board, Broun, Winship, Steffens, Dickey, and Boyd, composed the Board of Trustees in 1953 until the hospital became an official county hospital on January 1, 1957.

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Since 1957, the board was comprised of 5 members until 2012. In 2012, the board was expanded to 9 members, consisting of 3 county districts with 3 members to represent and support the diverse interests in the community. Following is a list of the trustee since 1957 and the time they served: L.K. Stutterheim, 1957-1961; L. Kent Culbertson, 1957-1961; Francis Wachs, 1957-1983; D.T. Broun, 1957-1961; Leland Baird, 1957-1961; Marlin Ames, 1961-1977; A.G. Cummings, 1961-1977; Leo Beanblossom, 1961-1969; Guy Christian, 1961-1963; Neil Arasmith, 1963-1972; C.J. Widen, 1973-1982; and Dan Losey, 1982-1983. John Chittenden, 1969-1971; Kay Becker, 1977-1989; Connie Neslon, 1991-2001; Buford VanLoenen, 1977-1990; Lloyd Culbertson, 1982-1995; Gordon Dettmer, 1983-2008; Christie Berg, 1989-1996; Kenton Oliff, 1996-2002; Roger DeWitt, 1990 – 2007; De Suchscland, 2009-2015; Jan Tien, 2007-2012; Carola Deschner, 2001-2013; Art Henrickson, 1996-2016; Daniel Malmberg, 2002-2012; Hazel Ames, 2012-Present, Stanley Robb, 2012-Present, Arliss Hatcher, 2012-2016; Stanley Kats, 2012-2022, Mark Gervais, 2012-2016, Sandi Preuss, 2012-2016, Nicki Jones, 2013-2016, Sarah Rudd, 2015-2016, Ruth Hackerott, 2016-2019; Kelly Roe, 2017-2019; Criquet Cole, 2017 - 2021; Jessie Wyrill, 2017 - Present; Jayne Holle, 2017 - Present; Vicki Constable, 2017 - present; Tad Felts, 2019 - 2024; Cathy States, 2019 - Present; Bill Greving, 2021- Present; Alissa Kirchhoff, 2023 - Present.