Faculty

Chair, Department of Computer Science

Andy Harbert, M.S.

Chair, Department of Computer Science

Assistant Professor of Computer Science

  • B.S., Louisiana State University
  • M.S., Texas A & M University

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.” He and his wife Lorie have two children: Joey and Jenna. He attends The 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.


Visiting Assistant Professor for Computer Science

Curtis Coleman, M.S., CISSP, CISM

Visiting Assistant Professor for Computer Science

  • B.S. Microbiology, California State University
  • M.A. Religious Studies, Liberty University
  • M.S. Computer Security & Information Assurance, Norwich University

Curtis Coleman has had a distinguished, 20-year career in cybersecurity. For over 15 years, he led the cybersecurity program at Seagate, a large multi-national digital storage manufacturing company. In that role, he directed the efforts to implement cybersecurity policies, practices and technology to insure the protection of Seagate’s data and systems.  He has shared his cybersecurity knowledge by serving on advisory boards for major corporations including Intel, Oracle, and Salesforce.  He holds multiple cybersecurity certifications including Certified Information Systems Security Professional (CISSP) and Certified Information Security Manager (CISM).   He has and continues to speak at cybersecurity conferences all across the country. He was listed in ExecRank’s “Top 150 Security Executives Rankings” for 2012 through 2017. He is interested in all aspects of cybersecurity, research in artificial immune systems, and he enjoys leading a local crew of Venturing Scouts, a coed scouting group for 14-20 years old students. Curtis is also a certified Team USA Archery Coach Level II, NRA Rifle and Pistol Instructor, and is a Black Belt in Karate. He is married to Catina, and has four children: Jeremy, Brianna, Cianna, and Connor.


Adjunct Professor of Computer Science

Ralph DeBoard, M.S.

Adjunct Professor of Computer Science

  • B.A. Oklahoma Christian University
  • M.S., Wright State University

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 U.S. Air Force from 1968 to 1972 as a scientist in the Foreign Technology Division. He is a member of the America Cichlid Association and 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


Associate Professor of Mathematics and Computer Science

Don Leftwich, M.A.

Associate Professor of Mathematics and Computer Science

  • B.S. Oklahoma Christian University
  • M.A. University of Oklahoma

Don Leftwich served as chair of the Department of Mathematics and Computer Science from 1992 until 2018.  In 2009 he served as president of the Oklahoma Christian Faculty Association.  He served as the Oklahoma-Arkansas section chair of the Mathematical Association of America in 2001.  He is interested in statistics of aviation and spent 15 years working on a project to model roofs using aerial photography.  He is married to Janie, has three children, and four granddaughters.  Mr. Leftwich is a deacon at Memorial Road Church of Christ, where he is also the ministry director for Leadership Training for Christ.. 


Assistant Professor of Computer Science

Robert Nix, Ph.D.

Assistant Professor of Computer Science

  • B.S., Computer Science, Oklahoma Christian University
  • M.S., Computer Science, University of Texas at Dallas
  • Ph.D., Computer Science, University of Texas at Dallas

OC graduate Robert Nix returned to his alma mater in 2015 after teaching computer science at Lipscomb University. Nix earned his master’s and doctoral degrees in computer science from the University of Texas at Dallas. He received the Best Paper Award from the Institute of Electrical and Electronics Engineers in 2010, and he was named the Becky J. Tellon Teacher of the Year for Lipscomb’s School of Computing and Informatics in 2014. Nix has also spent more than 10 years performing in gospel quartets.


Director of Computer Science Advancement

David North, M.S.

Director of Computer Science Advancement

Associate Professor of Computer Science

  • B.S. Oklahoma Christian University
  • M.S. Computer Science, University Of Oklahoma

David North has had a distinguished, 30-year career in software development and is a member of the Association for Computing Machinery. He has been an project manager, system architect, computer systems consultant, CTO and COO. He has managed hundreds of software development projects often using cutting-edge technologies and development methods, most recently his work has been in Internet application development. He has also been involved in the startup of several businesses. He is interested in software engineering, web and mobile application development, and he enjoys sailing, photography and travel. He is married to Beverly, and has three children: Michelle, David and Daniel. He also has five grandchildren. Mr. North is a deacon at Memorial Road Church of Christ, where he directs the Capitol Hill Ministry.