Ryan Hassler

Ryan Hassler headshot
Teaching Professor, Mathematics
Professional Math Tutor, Learning Center
Luerrsen Science Building, 201F

Dr. Ryan Hassler is a teaching professor of mathematics at Penn State Berks. He holds a B.S. in Mathematics Education from Clarion University, a M.S. in Applied Statistics from Villanova University, and a Ph.D. in Mathematics and Science Education from Temple University. His current research involves a $750,000 National Science Foundation S-STEM grant for increasing recruitment and retention among underrepresented minorities in engineering. Dr. Hassler is the coordinator of Engineering Ahead, the LION STEM Scholars program and is also co-adviser of the Penn State Berks Equestrian Club and Berks Benefitting THON. As a former high school math teacher, a small business owner and current chair of the board of directors at Helping Harvest Food Bank, Dr. Hassler is invested in making Berks County a better place to learn and live.

Dr. Hassler's current research explores recruitment and retention of underrepresented minorities in engineering. This research is funded by a grant through the U.S. National Science Foundation. Learn about the Leveraging Innovation and Optimizing Nurturing in STEM: The LION STEM Scholars Program »

Ding, M., Hassler, R., & Li, X. (2021). Cognitive Instructional Principles in Elementary Mathematics Classrooms: a case of teaching inverse relations. International Journal of Mathematical Education in Science and Technology, 52(8), 1195-1224. DOI: 10.1080/0020739X.2020.1749319

Ding, M., G Chen, W., & Hassler, R. (2019). Linear quantity models in the US and Chinese elementary mathematics classrooms. Mathematical Thinking and Learning, 21, 105-130. doi: 10.1080/10986065.2019.1570834

Ding, M., Hassler, R., Li, X., & Barnett, G. (2019). On Understanding of the Properties of Operations: A Cross-cultural Analysis. International Journal of Mathematical Education in Science and Technology. doi: 10.1080/0020739X.2019.1657595

  • Ph.D., Mathematics and Science Education, Temple University
  • M.S., Applied Statistics, Villanova University
  • B.S., Secondary Mathematics Education, Clarion University of Pennsylvania