Faculty and Staff
Ann Wheeler, PhD
Interim Division Head of Mathematics and Professor
PhD Educational Mathematics, University of Northern Colorado;
MSEd Mathematics Education, Henderson State University;
BS Mathematics, Henderson State University
Office: MCL 418
Phone: 940-898-2161
email: awheeler2@twu.edu
Teaching interests: mathematics and mathematics education
See Dr. Wheeler’s full profile
Tasha Bass, MS
Lecturer I
MS Mathematics, Texas Woman’s University;
BS Mathematics, Texas Woman’s University
Office: MCL 421
Email: nbass@twu.edu
Teaching interests: mathematics
Sarah Cooley, MS
Lecturer I
MS Mathematics Teaching, Texas Woman’s University;
BS Mathematics Education and Deaf Education, Texas Woman’s University;
AA Sign Language Interpreting, Collin College
Office: MCL 413
Email: scooley1@twu.edu
Research interests: mathematics and mathematics education
Brandi Falley, PhD
Interim Dean of Undergraduate Studies and Professor
PhD Statistics. Baylor University;
MS Statistics, Baylor University;
BA Psychology, Ouachita Baptist University
Office: MCL 302
Phone: 940-898-2176
Email: bfalley@twu.edu
Teaching interest: mathematics
See Dr. Falley’s full profile
Lorianne Gillander, MS
Lecturer I
MS Mathematics Teaching, Texas Woman’s University;
BS General Studies, Texas Woman’s University
Office: MCL 417
Phone: 940-898-2174
Email: lgillander@twu.edu
Teaching interests: mathematics
Ellina Grigorieva, PhD
Professor of Mathematics
PhD in Mathematical and Physical Sciences, Lomonosov Moscow State University
MS, Lomonosov Moscow State University
Office: OMB 302
Phone: 940-898-2452
Email: egrigorieva@twu.edu
Teaching interests: Mathematics, math education, and computer-aided modeling.
Research interests: Differential equations and optimal control of cancer and infectious diseases; modeling strategic decision-making in business and economics; and the development of methods for solving complex math problems.
Mark Hamner, PhD
Professor/Vice Provost for Institutional Research & Improvement
PhD Statistics, Baylor University;
MA Statistics, Baylor University;
MS Statistics, Baylor University;
BA Mathematics, University of Texas at Austin
Office: ACT 912
Phone: 940-898-3013
Email: mhamner@twu.edu
Teaching interest: mathematics
Alexis Hardesty, PhD
Assistant Professor
PhD Mathematics, Texas Tech University;
MS Mathematics, Texas Tech University;
BA Mathematics, Texas Tech University
Office: MCL 416
Email: ahardesty1@twu.edu
Junalyn Navarra-Madsen, PhD
Professor
PhD Applied Mathematics, University of Texas at Dallas;
MS Mathematics, University of Texas at Dallas;
BS Mathematics Education, University of St. La Salle
Office: MCL 302E
Phone: 940-898-2168
Email: jnavarramadsen@twu.edu
Teaching interest: mathematics
Shawnda Smith, PhD
Associate Professor
PhD Mathematics Education, Texas State University;
MA Mathematics, University of Texas at Austin;
BA Mathematics, University of Texas at Austin
Office: MCL 415
Phone: 940-898-2905
Email: ssmith115@twu.edu
Teaching interests: mathematics and mathematics education
Micah Thornton, PhD
Assistant Professor
PhD Joint Program-Biostatistics, Southern Methodist University & UT Southwestern Medical Center;
MS Computer Engineering, Southern Methodist University;
BS Computer Engineering and Statistical Science, Southern Methodist University
Office: MCL 421
Teaching interests: statistics and mathematics, biostatistics, numerical analysis
Research interests: cardiovascular disease and treatment, healthcare and clinical informatics, bioinformatics, stochastic analysis and causality
Page last updated 8:56 AM, February 11, 2026