Faculty

Chair, Department of Computer and Information Sciences

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

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. 


Associate Professor of Computer Science

Ralph DeBoard, M.S.

Associate 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


Assistant Professor of Computer Science

Andy Harbert, M.S.

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 Professor of Computer Science

Sheldon Liang, Ph.D.

Visiting Professor of Computer Science

  • B.S., Dalian Maritime University
  • M.S., Digital Engineering Institute
  • Ph.D., Institute of Software Chinese Academy of Sciences
  • MTS., Christian Witness Theological Seminary

Dr. Sheldon Liang, joins the OC faculty this fall as Visiting Professor of Computer Science. He has been a “tri-man” of computer science and software engineering for decades with extensive experiences as a professor in educational institutions, a researcher in advancement for science and technology, and software engineer in a variety of industrial sectors.

Dr. Liang, wearing a CAP (communicator, architect, and programmer), is a past professor of CS for Azusa Pacific University in California, Montana Tech of the University of Montana, and as well as Huazhong University of Science and Technology in China.

He played a key engineering role in various industrial sectors such as architecting dependable complex systems, prompting stock-trading automation, engineering risk management solutions, and creating web-based intelligent services engaging cloud information outlet (WISE-CIO).

Dr. Liang’s research includes software engineering for enterprise agility, rapid applications development via web-based intelligent services, automated business processes, big data applications as well. He has published in Association for Computing Machinery (ACM) and Institute of Electrical and Electronics Engineers (IEEE) journals, and he authored three technical books: Advanced Software Design Technologies with Ada (2001), Applied Databases to Management Information Systems (1998), Mastering Object-Oriented Programming from C to C++ (1991).


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.