Dr. Wilkerson currently serves as the K-12 Mathematics Department Chair at Regents School of Austin where he has taught since 2012. He oversees the math curriculum at Regents, in written form as well as in human form in the training of teachers. He believes strongly in the teacher as the living curriculum and the storyteller for the students. He holds degrees in Mathematics (BS, Texas A&M University), Theology (ThM, Dallas Theological Seminary), and Math Education (PhD, Texas State University). He is passionate about restoring faith in the teaching of mathematics and has written extensively on this topic for various publications as well as his own website, GodandMath.com, and he is the acting president of the Association of Christians in the Mathematical Sciences.

Karen Berlanga is passionate about students becoming math thinkers, not calculators. Over the past 25 years, she has been molding young math minds through various outlets- as a classroom teacher, a private tutor, and a homeschool co-op teacher. More recently, she has started to share her vision and dynamic passion with parents, teachers and administrators in schools across America by modeling games, activities and number sense challenges that are useful in the classroom and at home. She serves as a consultant for math education, leading professional development for elementary teachers, modeling lessons in classrooms and leading parent workshops. Karen has been in the Regents School of Austin community since 2001, as a teacher, parent and math tutor, with classroom experience in kindergarten to sixth grade. She served as a private math tutor for over 20 years and currently supports the K-3rd grade teachers at Regents, while also teaching kindergarten. Karen graduated from The University of Texas at Austin with a degree in elementary education, and a specialization in Mathematics and is a Texas Certified Teacher for 1st-8th grade. She lives in Austin, Texas with her husband and two children.

Sandra Schinetsky has been teaching at Regents School of Austin since January 2017, having previously taught junior high mathematics in Louisiana public school for seven years and earning the title Teacher of the Year in 2011. She is currently pursuing her doctoral degree in Mathematics Education from Texas State University, having earned both her master of education and bachelor degrees from Louisiana State University. At Regents, she has taught Algebra I, Geometry, and Precalculus. In 2020, she was a speaker at both the SCL and ACCS National Conferences of a workshop entitled “Engaging Students in a Meaningful Mathematics Harkness”; in 2021, she was the Facilitator of Math and Science for the SCL National Conference; and in 2023, she was a speaker at both the SCL and ACCS National Conferences of a workshop entitled “Those Who Teach, Know: Utilizing Dialogue as a Form of Assessment.”

Lisa founded and currently leads Vectors, a mathematical problem solving community that includes students from 3rd to 12th grade. Over the past eight years, Lisa has coached students through advanced problem solving methods and trained many successful mathletes throughout their middle and high school years. She was a speaker at SCL’s first online conference for a workshop entitled “Making Math Club About Community and not Competition.” Lisa received her B.S. in Education from Texas A&M University in 2001 and has taught for over 20 years through a combination of public school, as a homeschool teacher, and as a co-teacher in a classical collaborative model school. Lisa lives in Austin, Texas with her husband and four of their children. Their oldest son attends the United States Military Academy at West Point.