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Preparatory Department Faculty

Private Lesson Instructors

If you don't see your instrument listed, please call us at 405-585-4329 or e-mail us at and let us know your request.







Class Instructors

Keyboard Concepts

Group Piano for Adults

Choir Directors

Concert Choir

Shawnee Honor Choir


Dr. Don Clark

Dr. Don Clark (voice) is a distinguished performer and educator with a career that has taken him across the United States and abroad. An “Outstanding Educators of America” awardee, Dr. Clark teaches voice through OBU’s Music Preparatory Department. Clark has won major roles in numerous operas, oratorios and cantatas. In addition, he has performed at the National Association of Teachers of Singing (NATS) Convention, the Texoma Regional Convention of NATS, and the Oklahoma Music Teachers Association State Conference. Dr. Clark has held faculty positions at Welch College in Nashville, Tennessee, Oklahoma Baptist University and St. Gregory’s University. He has taught through the Arkansas Public Schools and, for fifteen summers, was a member of the artist faculty of Sessione Senese per la Musica e l’Arte, Siena, Italy. Dr. Clark served in the United States Air Force Band as a clarinetist, vocalist, drum major, glee club director and voice instructor. Clark earned his Doctor of Musical Arts degree in Vocal Performance from the University of Oklahoma, the Master of Music in Vocal Performance from George Peabody College for Teachers, Nashville, Tennessee, and the Bachelor of Music in Vocal Performance from Oklahoma Baptist University.

Anne Guevara

Mrs. Anne Guevara (violin) is a celebrated professional violinist, violist, and educator. Guevara is a member of the faculty at Oklahoma Baptist University’s Music Preparatory Department and is an adjunct string instructor at Southern Nazarene University. She is the recipient of numerous awards for excellence in teaching and service including the Putnam City Schools Foundation “Golden Apple Award” (2010), the Governor’s Arts in Education award (2011), and the Elizabeth A. H. Green School Educator Award from the American String Teacher’s Association (2012). Inducted into the Oklahoma Music Educator’s Hall of Fame in 2018, Guevara is the retired orchestra director for Putnam City West High School, Windsor Hills Elementary, Western Oaks Elementary, and The Silver Strings of Putnam City. Guevara is a member of the Enid Symphony Orchestra, Norman Philharmonic Orchestra, Oklahoma City Community Orchestra, and the Oklahoma Strings Quartet. During the summers, she teaches at the University of Arkansas Summer String Camp. Guevara earned her Bachelor of Arts in Music from Auburn University and her Master of Arts in Education from Oklahoma City University. Guevara’s post-graduate studies in viola were at the University of Oklahoma.

Mitchell Manlapig

Mitchell Manlapig (piano) is a junior at Oklahoma Baptist University pursuing a Bachelor of Musical Arts with an emphasis in piano, and a Bachelor of Arts in Psychology. He serves as the accompanist for the Bison Glee Club, as well as the pianist for the OBU Symphonic Winds when needed. Mitchell has performed twice as a soloist in OBU’s annual Concerto-Aria concert. Mitchell is also the principal percussionist of the OBU/Shawnee Community Orchestra, and is a member of OBU’s percussion ensemble. He is excited to be teaching through the OBU music preparatory department and looks forward to helping students develop their musical talent and passion.

Susanne Woolley

Susanne Woolley (violin) approaches teaching with a unique perspective due to her experience performing a wide variety of musical styles. Woolley performs violin and fiddle with the Billy K Band, Cowboy Jim Garling Western Swing, Pauls Valley Opry, John Emery Cellist duo, and Hank William tribute band (Montgomery, Alabama). Woolley teaches violin for all ages through the OBU Music Preparatory Department. In addition, Woolley is a member of the faculty at East Central University where she has taught string methods, applied lessons, World Music, and Music Appreciation for the past ten years. Woolley also teaches adult violin lessons at Pontotoc Technology Center and leads a large private violin studio in Ada, Oklahoma. Woolley recently completed her Masters in Music Education from Boston University where she developed expertise in critical pedagogy. Woolley’s teaching approach utilizes Suzuki method and a tailored approach to fit each child’s unique character and abilities. Woolley holds a Bachelor of Music degree in Violin Performance from the University of Tulsa. Woolley gives God all the glory for bringing her to saving faith in Christ. She has raised four children, Claire, Kate, Grace, and Will Pottebaum as a single parent on her family ranch outside of Stonewall, Oklahoma.

Dr. Gloria Tham-Haines

Dr. Gloria Tham-Haines (piano/group piano) is a Nationally Certified Teacher of Music and a member of the Music Teachers National Association. She has taught privately for 20 years and loves working with students of all ages and abilities. Born in Kampar, Malaysia, Dr. Tham-Haines started piano lessons at age five and has a doctorate in piano performance from the University of Alabama. While in Malaysia, she completed the ABRSM piano examinations syllabus up to Grade 8 and earned the Performer’s Certificate of Trinity College, London. She also holds piano performance degrees from Southwestern College, Winfield, KS and Wichita State University, KS. Since the fall of 2017, Dr. Tham-Haines has been adjunct piano professor of class piano at Oklahoma Baptist University. Previously, she has taught at Cowley County Community College in Arkansas City, KS; Southwestern Christian University, Bethany, OK; Oklahoma City Community College; and the University of Central Oklahoma. She has twice been the guest clinician and conductor for the Walnut Valley Piano Teachers Association’s piano ensemble festival, in 2012 and 2016. She is a national presenter on incorporating Trust-Based Relational Intervention® strategies to build a trauma-informed piano studio. She is a part of the ergonomically-sized smaller piano keyboard international initiative and a private owner of a DS 5.5 Steinbuhler keyboard. Besides teaching, she is also involved in music ministry, accompanying, performing, and adjudicating. In addition to music, she is an active contra and ballroom dancer, enjoys photography, reading, and traveling. Dr. Tham-Haines is married to Patrick and has two children and a Siamese cat.

Katie Krempl

Katie Krempl (trumpet) is a sophomore at Oklahoma Baptist University, majoring in Instrumental Music Education. Before attending OBU, Katie held the principal trumpet position for three years in her high school concert and pep bands. She also received the Patrick S. Gilmore Band Award in 2018. At OBU, Katie has performed with the Bison Brigade, Symphonic Winds, and Bison Jazz Orchestra, alongside playing with her church orchestra. Katie is currently serving as the High Brass Section Leader in the Bison Brigade. She is also an officer in Kappa Kappa Psi, the OBU band co-ed service fraternity. Katie is looking forward to helping students strive towards reaching their musical potential.

Anne Aguayo

Anne Aguayo (voice) is a senior at Oklahoma Baptist University, pursuing a Bachelor of Musical Arts with emphasis in voice, and a minor in Education. Under the instruction of Dr. Louima Lilite, she has performed as a soloist in OBU's annual Concerto-Aria concert, sang the role of Fiordiligi from Mozart's Cosi fan tutte, and was the alternate in OMTA's collegiate vocal competition. Most recently, Aguayo was named the 2019 Presser Scholar and was awarded the Outstanding Junior Voice award. She is excited to teach as part of the OBU Music Preparatory Department and hopes to share her love for music and singing with her students. After completing her degree, she plans to pursue a Masters in Vocal Performance and Pedagogy. 

Emilie Griffin

Emilie Griffin (piano) is a senior at Oklahoma Baptist University pursuing a Bachelor of Music in piano performance with an emphasis in pedagogy. Before beginning collegiate studies, Griffin was a consecutive four-year member of the National Piano Guild and placed in Oklahoma State University’s annual competition for high school students. In the Shawnee area, Griffin serves as the accompanist for the Bisonette Glee Club and is the church pianist for Pleasant Home Baptist Church in Prague. Griffin has performed in OBU’s annual Concerto-Aria concert and enjoys collaborating with fellow colleagues, both vocal and instrumental. After graduation, she plans on attending graduate school to study piano pedagogy in the fall of 2020. 

Clara Boyett Hassen

Clara Boyett Hassen (piano) is an active performer, teacher, and presenter. She is currently pursuing a DMA in Piano Performance and Pedagogy at the University of Oklahoma, and holds a master's degree in Piano Pedagogy and Performance from Baylor University. Clara has over 9 years of teaching experience with students of all ages and levels. She held graduate assistantships at Baylor and OU, teaching applied and group piano, and was on faculty as an adjunct instructor of piano at Randall University. Clara has presented her research on effective practice, performance anxiety, and inspiring imaginative performance at the Music Teacher's National Association Conferences, the National Conference on Keyboard Pedagogy, the GP3 Conference, and the Texas Music Teacher's Association Conventions. She has also had articles published in the American Music Teacher, MTNA e-Journal, and on the Clavier Companion website.  Clara loves growing in effectiveness as a teacher and learning new ways to reach students. She has had the opportunity to work with master pedagogues including Dr. Mario Ajero, Dr. Lesley McAllister, Dr. Barbara Fast, and Dr. Jane Magrath. Clara is a Nationally Certified Teacher of Music and an active member of the Music Teacher's National Association. Clara lives in Shawnee with her husband, Josiah, and enjoys spending her spare time in the kitchen baking for family and friends.

Rachel Darvin

Rachel Darvin (piano) is a junior at Oklahoma Baptist University, pursuing a Bachelor of Music in Piano Performance with an emphasis in Pedagogy. As a high school senior, she received the OMTA Clarence Burg Award and Claudia Busse Theory Award as well as the Ladies’ Music Club Davidson Piano Award. Rachel served as the pianist for First Baptist Church in Stroud for several years and is an accompanist for the Bisonette Glee Club. She taught several beginner to intermediate piano students before attending OBU and currently has one harp student. In previous semesters, Rachel played harp and piano with the OBU Symphonic Winds. She is excited to share the joy of music with her students.

Chase Davis

Chase Davis (voice) is pursuing a Vocal Performance degree at Oklahoma Baptist University, where he is in his third year of studies with Dr. Louima Lilite. Prior to OBU, Mr. Davis studied voice under Mrs. Virginia Meyers and Mrs. Amanda Foyil. Chase is a member of the University Chorale, University Ringers, and True Voice at OBU and has performed as Don Alfonso in Mozart’s Cosi fan tutte and as Nero Addams in OBU’s production of the musical, The Addams Family. Chase was the alternate in the OMTA collegiate vocal competition and placed 2nd in the 2018 NATS Oklahoma vocal competition. Chase is a recipient of the Betty Ruth Davis memorial scholarship, the Music Endowment scholarship and the Charlotte Martin Music scholarship at OBU. Mr. Davis has interned with Foyil Music Studio in Owasso, Oklahoma, teaching piano, voice, ukulele, guitar, and drums. He is excited to continue teaching through the OBU Music Preparatory Department, helping his students achieve a love for music. Upon competition of his bachelor’s degree, Chase plans to pursue a master's degree in vocal performance and pedagogy.