Faculty
Don Leftwich, M.A.
Chair, Department of Computer and Information Sciences
Associate Professor of Mathematics and Computer Sciences
- B.S., Oklahoma Christian University
- M.A., University of Oklahoma
Office phone: 405.425.5413
Email: Don Leftwich
Don Leftwich is the chair of the Department of Mathematical, Computer, and Information Sciences. He was the Oklahoma-Arkansas section chair of the Mathematical Association of America in 2001. He is interested in statistics of Aviation, and he enjoys golf, music, and all sports. He is married to Janie, and has three children: Robbie, Kimberly and Bryan. Mr. Leftwich is a deacon at Memorial Road Church of Christ, where he is also the Ministry Director for Leadership Training for Christ.
Jennifer Bryan, Ph.D.
Associate Professor of Mathematics
- B.S., Oklahoma Christian University
- M.S., Oklahoma State University
- PhD, Oklahoma State University
Office phone: 405.425.5443
Email: Jennifer Bryan
Jennifer Bryan is interested in statistics, math education, and algebra workshops for secondary teachers. Bryan is a member of several organizations: Mathematics Association of America, American Statistical Association, National Council of Teachers of Mathematics, and Kappa Mu Epsilon (the Math Honor Society). She attends Edmond Church of Christ, and she is a substitute Bible class teacher.
Ralph DeBoard, M.S. 
Associate Professor of Computer Science
- B.A., Oklahoma Christian University
- M.S., Wright State University
Office phone: 405.425.5411
Email: Ralph DeBoard
Ralph DeBoard learned to love OC as a student when he served as president of the Student Government Association, and was selected to be Mr. Aerie in 1968. He now teaches here for three reasons: "The opportunity to integrate faith and learning, the desire to help OC build an excellent computer science program, and the opportunity to pass on the greatness of our school to new generations of students." DeBoard is interested in algorithm analysis, computer simulation, and processor scheduling algorithms. He is a member of the Association for Computing Machinery. He sponsors BIT and the CS programming teams. His favorite memory as a student here was the excitement all over campus when the basketball team won their first national tournament basketball game in 1968. His favorite memories as a faculty member is "having the opportunity to be a part of the graduation ceremonies when each of his children walked across the stage," and "the amazing success of OC's programming teams on their trips to Louisiana State University." He served in the US Air Force from 1968-1972 as a scientist in the Foreign Technology Division. He is a member of the America Cichlid Association, serves on the Board of Directors of the Texas Aquarium Societies. DeBoard has 64 aquariums, where he breeds rare tropical fish. He enjoys singing and photography. His wife is Brenda, who graduated from OC in 1969. They have three children: Scott, Greg, and Holly, all graduates of OC. He is a deacon at Memorial Road Church of Christ. He is involved in the Capital Hill Lighthouse Ministries, Inner City Ministry, and he is a Bible class teacher
Ray Hamlett, Ph.D.
Professor of Mathematics
- B.A., Arkansas College
- M.S., University of Arkansas
- Ph.D., University of Arkansas
Office phone: 405.425.5404
Email: Ray Hamlett
Dr. Hamlett works at OC because of an “appreciation of its Christian mission.” He is interested in general topology, and teaching with graphing technology. He has written forty publications, and is a member of the Mathematical Association of America. Dr. Hamlett is a sponsor of Kappa Mu Epsilon, the Mathematics Honor Society. His favorite memory of OC was attending chapel on one of his visits while he was being interviewed. Dr. Hamlett was on active duty in the US Air Force from 1975-1977, and was in the reserves from 1977-1981. He reached the rank of Captain. Dr. Hamlett came to OC from East Central University in Ada, Oklahoma, where he served as chair of the Department of Mathematics from 1981 to 2005. His wife is Melba, they have three children: Sean, Heather, and Melissa; and seven grandchildren. He attends Southwest Church of Christ, in Ada, where he is a Bible class teacher.
Andy Harbert, M.S.
Assistant Professor of Computer Science
- B.S., Louisiana State University
- M.S., Texas A & M University
Office phone: 405.425.5423
Email: Andy Harbert
Andy Harbert says he works at OC because, “it gives me an opportunity to work hard at work worth doing.” He is in the Association for Computing Machinery, and is a sponsor for Omega Psi Omicron (a men’s club), and Beta Iota Tau, the student computer club. His favorite memories at OC “come from hearing the stories of our graduates’ successes.” His wife is Lorie, and they have two children: Joey and Jenna. He attends Quail Springs Church of Christ, where he has taught adult and children’s Bible classes, serves as a connections group leader, and is active in benevolence work.
Paul Howard, M.S.
Assistant Professor of Mathematics
- B.S., University of Idaho
- M.S., University of Idaho
Office Phone: 405.425.5439
Email: paul.howard@oc.edu
Paul Howard is interested in mathematics education and point set topology. He is a member of the Mathematics Association of America and the National Council of Teachers of Mathematics. He loves the opportunity OC provides to build meaningful relationships with students. Other areas of interest include baseball, chess and outdoor activities. He is a member of Edmond Church of Christ, regularly teaching Bible classes. He is also involved in marriage mentoring.
Lindsay Prugh, Ph.D.
Instructor of Mathematics
- B.S., Oklahoma Christian University
- M.S., University of Central Oklahoma
- Ph.D., Oklahoma University
Office phone: 405.425.5394
Email: Lindsay Prugh
Craig Johnson, Ph.D.
Associate Professor of Mathematics
- B.S., Harding University
- M.S., University of Mississippi
- Ph.D., Wayne State University
Office phone: 405.425.5444
Email: Craig Johnson
Dr. Johnson received the Teacher of the Year award from Greater Atlanta Christian School in 2004. He received the STAR Teacher award from the same school in 2005. Dr. Johnson is in the Mathematical Association of America. He enjoys running, outdoor activities, and golf. He and his wife Kara have four children: Hannah, Sarah, Abigail, and Caleb. Dr. Johnson attends Westwood Church of Christ where he is a Bible class teacher and a small group leader. He went on a mission trip to Rwanda in 2007.
Monica Muza, M.S.
I
nstructor of Mathematics
- B.S.E., University of Central Oklahoma
- M.S., University of Central Oklahoma
Office phone: 405.425.5415
Email: Monica Muza
For more information, contact:
Don Leftwich






