Officers & Trustees
Below are the elected leaders for the Oklahoma Osteopathic Association for the 2026-2027 membership year.
EXECUTIVE COMMITTEE
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President:
Christopher C. Thurman, DO christopher.thurman@okostate.edu 2345 Southwest Blvd Tulsa, OK 74109 918-582-1980
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President-Elect:
Teresa Hardesty, DO, MHA, FACOI
tghardesty@saintfrancis.com 6600 S. Yale Suite 650, Tulsa 74136 918-502-7800
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Vice-President:
Amanda G Foster, DO amanda.foster@okstate.edu 717 S Houston Ave, Ste 400 Tulsa, OK 74127 918-382-3190
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Past President:
Douglas C. Nolan, DO, FACOFP douglas-nolan@cherokee.org 100 S. Bliss Ave Tahlequah, OK 74464 918-453-3498
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Trustees
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Jeanette M. Kelley, DO
jbartowkelley@gmail.com 5300 N Independence Ave, Ste 280 Oklahoma City, OK 73112 405-713-7403
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Mark A. Keuchel, DO mark.keuchel@integrisok.com 4401 S Western Ave Oklahoma City, OK 73109 405-636-7195
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Mark D. Callery, DO mcallery@hillcrest.com 11402 N 13th E Ave Owasso, OK 74055 918-212-7373
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Ryan Oden, DO odenphd@gmail.com 2011 W Broadway Sulphur, OK 73086 580-622-3511
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Jason Regan, DO jregan308@gmail.com 1 Choctaw Way Talihina, OK 74571 United States 918-567-7000
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Mercedez D. Bernard, DO mercedez.bernard@ccmhealth.com 5404 SW Lee Blvd Lawton, OK 73505 580-355-5242
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Kalli J. Shepherd, DO kalli.reimer@gmail.com 305 S. 5th St. Enid, OK 73701 580-233-6100
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Chelsey D. Gilbertson, DO
3300 NW Expressway OKC, OK 73112
405-237-7500
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Jantzen Faulkner, DO
Resident Board of Trustee drjfaulkner.do@gmail.com
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Oklahoma Osteopathic Association Past Presidents 1900 - Now
1900-1902 Clara A. Mahaffay, D.O. 1902-1904 J. M. Rouse, D.O. 1904-1905 Neva Triplett, D.O. 1905-1907 J. A. Price, D.O. 1907-1909 W. S. Corbin, D.O. 1909-1910 F. A. Englehart, D.O. 1910-1911 J. A. Ross, D.O. 1911-1912 W. F. Nay, D.O. 1912-1914 W. A. Cole, D.O. 1914-1915 Ernest Ewing, D.O. 1915-1916 H. E. Thompson, D.O. 1916-1917 W. S. Corbin, D.O. 1917-1919 L. S. Larimore, D.O. 1919-1920 F. C. Card, D.O. 1920-1921 F. B. Larkins, D.O. 1921-1922 A. V. Fish, D.O. 1922-1923 Ernest Ewing, D.O. 1923-1924 W. O. Pool, D.O. 1924-1925 F. A. Englehart, D.O. 1925-1926 H. E. Williams, D.O. 1926-1927 C. Denton Heasley, D.O. 1927-1928 C. P. Harth, D.O. 1928-1929 C. E. Dailey, D.O. 1929-1931 H. C. Montague, D.O. 1931-1932 A. G. Reed, D.O. 1932-1933 C. D. Ball, D.O. 1933-1934 W. A. Laird, D.O. 1934-1935 Robert B. Beyer, D.O. 1935-1936 R. C. Boyd, D.O. 1936-1937 J. Paul Price, D.O. 1937-1938 T. G. Billington, D.O. 1938-1939 H. C. Baldwin, D.O. 1939-1940 R. V. Toler, D.O. 1940-1941 C. E. Dickey, D.O. 1941-1942 Harry E. Beyer, D.O. 1942-1943 W. E. Pool, D.O. 1943-1944 Robert D. McCullough, D.O. 1944-1945 P. A. Harris, D.O. 1945-1946 M. A. Kiesel, D.O. 1946-1947 J. Mancil Fish, D.O. 1947-1948 H. W. Kenega, D.O. 1948-1949 George R. Thomas, D.O. 1949-1950 L. R. Bell, D.O. 1950-1951 LeRoy Gau, D.O. 1951-1952 C. G. Ewing, D.O. 1952-1953 Percy R. Riemer, D.O. 1953-1954 Wayne H. Roberts, D.O. 1954-1955 E. Frank Nelms, D.O. 1955-1956 Ivan E. Penquite, D.O. 1956-1957 Eugene F. Ross, D.O. 1957-1958 Ray H. Thompson, D.O. 1958-1959 Joe W. Hanson, D.O. 1959-1960 John W. Morrow, D.O. 1960-1961 Ernest T. Ross, D.O. 1961-1962 James C. Hulsey, D.O. 1962-1963 F. L. Reed, D.O. 1963-1964 Thomas C. Reed, D.O. 1964-1966 A. W. Janzen, D.O. 1966-1967 George E. Bryan, D.O. 1967-1968 Joe A. Smoot, D.O. 1968-1969 R. G. Gillson, D.O. 1969-1970 James A. Young, D.O. 1970-1971 James B. Nay, D.O. 1971-1972 James F. Routsong, D.O. 1972-1973 Edward A. Felmlee, D.O. 1973-1974 J. Scott Hickerson, D.O. 1974-1975 Robert A. Bush, D.O. 1975-1976 Geron W. Meeks, D.O. 1976-1977 Walter L. Wilson, D.O. 1977-1978 C. Z. Smith, D.O. 1978-1979 O. J. Looper, D.O. 1979-1980 Thomas J. Carlile, D.O. 1980-1981 David W. Simpson, D.O. 1981-1982 Rudolph J. Wolf, D.O. 1982-1983 Robert D. McCullough, II, D.O. 1983-1984 Ralph B. Coffman, D.O. 1984-1985 Henry W. Harnish, D.O. 1985-1986 John D. McCuistion, D.O. 1986-1987 Terry L. Nickels, D.O. 1987-1988 Ebb W. Reeves, D.O. 1988-1989 Thomas R. Pickard, D.O. 1989-1990 Stanley E. Grogg, D.O. 1990-1991 Ray E. Stowers, D.O. 1991-1992 David F. Hitzeman, D.O. 1992-1993 B. Frank Shaw, Jr., D.O. 1993-1994 Paul F. Benien, Jr., D.O. 1994-1995 Richard J. Langerman, D.O. 1995-1996 Terence E. Grewe, D.O. 1996-1997 Ronnie B. Martin, D.O. 1997-1998 Joseph R. Schlecht, D.O. 1998-1999 John F. Rice, D.O. 1999-2000 James P. Riemer, D.O. 2000-2001 Sheila G. Simpson, D.O. 2001-2002 Gordon P. Laird, D.O. 2002-2003 Jeffrey R. Jones, D.O. 2003-2004 James W. Hogin, D.O. 2004-2005 Steven D. Hinshaw, D.O. 2005-2006 William J. Pettit, D.O. 2006-2007 Dennis J. Carter, D.O. 2007-2008 Trudy J. Milner, D.O. 2008-2009 Gilbert M. Rogers, D.O. 2009-2010 Duane G. Koehler, D.O. 2010-2011 Scott S. Cyrus, D.O. 2011-2012 LeRoy E. Young, D.O. 2012-2013 Layne E. Subera, D.O. 2013-2014 Bret S. Langerman, D.O. 2014-2015 Michael K. Cooper, D.O. 2015-2016 C. Michael Ogle, D.O. 2016-2017 Gabriel M. Pitman, D.O. 2017-2018 Kenneth E. Calabrese, D.O. 2018-2019 Christopher A. Shearer, D.O. 2019-2020 Timothy J. Moser, D.O. 2020-2021 Richard W. Schafer, D.O. 2021-2022 Jason L. Hill, D.O. 2022-2023 Jonathan K. Bushman, D.O. 2023-2024 Rebecca D. Lewis, D.O. 2024-2025 Jonathan B. Stone, D.O. 2025-2026 Douglas Nolan D.O.
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