Our Staff

Phil Olson

Interim Pastor
Our Pastor is the Rev. Dr. Philip Olson. Rev. Olson has served congregations in New Jersey, Ohio and Michigan. From 1998 until he retired in 2010, he served as an Interim Pastor in five congregations, primarily in Detroit Presbytery. He and his wife, Deborah, live in Columbia where she is a member of First Presbyterian and serves on the Board of Deacons. They moved to Missouri in 2012 to be with their family. In Missouri, he has served congregations in Fulton, Boonville and Bunceton, and was Stated Clerk of the Presbytery. He has been with Covenant Presbyterian since 2019, and Longwood Presbyterian since 2021


Derek Wittman

Adm. Asst./Music Director
Derek Wittman has been part of the Covenant family since 2012 when he began working as church organist. He added the position of administrative assistant a year later and eventually began directing the church's musical ensembles. Derek was raised in Marshall and is a graduate of Marshall High School. He holds degrees in religion from Oklahoma Baptist University (B.A.), Wake Forest University (M.A.), and Baylor University (Ph.D.). He has sung in OBU's Bison Glee Club, the Marshall Community Chorus, and several church choirs. Prior to returning to Marshall, he served for two years in the AmeriCorps VISTA program working in faith community outreach for Flatirons Habitat for Humanity in Boulder, CO. He was a contributor to the New Interpreter's Dictionary of the Bible and frequently teaches adult Bible study classes at the church. In addition to his duties at Covenant, Derek has served as a pianist for the music programs at Marshall High School and Missouri Valley College, accompanied the Marshall Community Chorus, and played piano and organ for a variety of community events. He has served on the boards of Saline County United Way and the Marshall Philharmonic Orchestra and on the Missouri Union Presbytery's worship committee. In his free time, Derek enjoys reading, attending concerts and sporting events, and solo travel.

Session Members

Roger Brayman
Barbara Burns
Judy Duffer
Brad Guthrey
Jackie Guthrey
Linda Hendrick
Dale Kleinschmidt
Vicki Mitchell
Pam Stouffer