![Leanne R. KetterlinGeller](/sites/default/files/styles/thumbnail/public/2019-02/Ketterlin_forwebsite.png?itok=15erqjK7)
Leanne R. Ketterlin Geller, Ph.D., is a Professor and Texas Instruments Endowed Chair in Education, Southern Methodist University in Dallas, Texas. In addition to Dr. Ketterlin Geller’s faculty appointment, she serves as the director of the Research in Mathematics Education unit at SMU. Her research focuses on the development and validation of formative assessment systems in mathematics that provide instructionally relevant information to support students with diverse needs. She works nationally and internationally to support achievement and engagement in mathematics and other STEM disciplines for students in Kindergarten through Grade 8. Her research has been funded by international, national, state, and local funding agencies who are equally committed to supporting positive outcomes for all students. She has published numerous articles and book chapters, and presented original research findings at local, national, and international conferences. She works closely with teachers and administrators to understand the application of measurement and assessment principles for making decisions in school settings. Dr. Ketterlin Geller was a high school science teacher and trained as a K-12 administrator.