Lubbock Christian University
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Department of Mathematics

Department of Mathematics


You can do that!

With a degree in mathematics you can do it—whatever you need to do. Calculate it. Count it. Convert it. Communicate it. A mathematician knows how to analyze, infer, and conclude, and more. Career opportunities in teaching, industry, business, and more will be yours for the choosing.

Make your time count at LCU! Mathematics—it adds up just fine.

R. Keith Rogers, Ed.D.
Chair & Professor of Mathematics


The mission of the Department of Mathematics is to educate students to be problem solvers, data analysts, and provide the foundation necessary to fulfill their lives of purpose and service.

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Profile Photo of Keith Rogers

I have been in Christian education since 1973 when I started first grade at Lubbock Christian School except for my two years at North Texas. I attended LCS from 1st grade until I graduated high school in 1985. I went across the street to Lubbock Christian College and graduated from Lubbock Christian University in 1989. I then dragged my wife, Kelly, to the University of North Texas in order for me to earn my masters in mathematics (I was planning on getting my doctorate from UNT but God had other plans, I would love to tell you that story, you only have to ask!) Upon graduation from North Texas, Baylor University hired me to teach freshman mathematics. I taught at Baylor from 1991 to 1993 until the position that I currently hold came open at LCU.

Kelly and I always knew that we wanted to come back to LCU. Lubbock is home for both of us and we wanted our kids to grow up around their grandparents and extended family. We have two sons both currently students at LCS. My family is deeply connected with LCU. My brother, Byron, teaches chemistry here; his wife, Karen, works in the business office; and mom, Barbara, is the administrative assistant to the Business Administration department. We currently have 18 alumni of Lubbock Christian University in our family.

When I am not in the classroom, doing what I believe I was created to do, teaching mathematics, you can usually find me at a sports event. My children love to play sports and my family loves to watch sports. I also enjoy video games, puzzles, and reading.

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Profile Photo of Ashley Cherry


  • 2016, "Piecewise Linear Approximation for Nonlinear Programming Problems," Doctoral Dissertation - Advisors: Victoria Howle and Ismael de Farias, Jr., Texas Tech University
  • 2012, "A Representation of Chaocipher," Master's Thesis - Advisor: Chris Monico, Texas Tech University



Activities and Memberships:


  • 2017 – 2018, Fellow, Texas Mathematical Association of America Project NExT
  • 2018, Member, Mathematical Association of America
  • 2010 – 2012, Member, Society for Industrial and Applied Mathematics





  • 2017 – present, Scholars Colloquium Committee
  • 2017 – present, QEP Learning Academy Scholar
  • 2016 – present, Admission Appeals Committee





  • Teaching children's Bible classes
  • Volunteering at Lubbock Children's Home





  • South Plains Church of Christ

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Profile Photo of Ann Sims

After graduating from ACU, Mrs. Sims moved to Lubbock to begin her teaching career. It started at Lubbock High School, where she taught all levels of mathematics from remedial classes to AP Honors courses. Teaching at Lubbock High brought both personal fulfillment and professional success. During her ten years at Lubbock High School, Mrs. Sims coached several academic teams to district, regional, and state titles as well as two national championships. In order to devote more time to her children, Mrs. Sims left Lubbock High School and began teaching at LCU, part-time at the beginning and full time since 2001. She now enjoys showing the beauty of mathematics to several hundred college students a year. She is married to Doug, an architect, and they have two beautiful teenagers, Joseph and Emily.

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