As an Assistant Professor of Practice, my teaching focus is in the areas of Secondary PreService preparation, Mathematics Teaching and Educational Technology. My research focus is centered on Complexity of Mathematics Education from the perspective of disposition and positioning.

• Ph D in Teaching, Learning & Culture, The University of Texas at El Paso (2013)
• MA in Public Administration, University of New Mexico (1978)
• BA in Sociology/Social Work, New Mexico State University (1974)

• Math is beautifully intimidating: Conflict between teacher affective disposition and observed positioning-by-others. International Electronic Journal of Mathematics Education 18 1 (2023), Ruby L. Lynch Arroyo, Mourat Tchoshanov, William J. Medina-Jerez.
• Empowering current and future educators: Using a scalable action research module as a mechanism to promote high-quality teaching and learning in STEM Frontiers in Education (Teacher Education) (2022), David Esparza, Ruby Lynch-Arroyo, Jeffrey Olimpo.
• STEM teacher educators' professional practices and challenges: A cross-national comparison Journal of Teacher Education and Educators 10 2 (2021), William J. Medina-Jerez, Mourat Tchoshanov, Ruby Lynch Arroyo, Cristina Iturralde, Laísa M. Fraire, María D. Cruz Quiñones , Valentina Giaconi , Farzaneh Saadati, Adriana Bertelle , Adriana Rocha , Ana Fuhr Stoessel , Adela Molina Andrade .

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