Mathematics

Erin Lehmann, EdD, currently serves as an assistant professor for the University of South Dakota. She is an author, leader, and facilitator, advocating for mathematics and high levels of learning for all.

Darshan M. Jain is the director of mathematics and computer science at Adlai E. Stevenson High School in Illinois. Previously, he served as an award-winning mathematics teacher as well as as a curriculum team leader.

Brittany Mozingo has more than a decade of experience as an educator in at-risk schools. She is currently the instructional coach at Fern Creek High School, a DuFour Award–winning school in Louisville, Kentucky.

Chris is a dynamic presenter and educator with over three decades of education experience. His vision and guidance have led schools to significant improvements in teacher efficacy and student learning.

Ashley Mistretta is a K–8 mathematics specialist and is currently working as an instructional coach at Rose Hill Elementary School, part of Fairfax County Public Schools.

Scot Curran is an elementary instructional teacher on special assignment who specializes in cultivating a professional learning community culture by supporting collaborative teacher teams, school leadership teams, and district stakeholders.

Amanda Hathhorn, district math specialist and mentor for the Aspiring Instructional Coaching Academy at Pasadena ISD, has over 20 years of experience in education. Notably, she played a pivotal role in successfully implementing the Professional Learning Communities (PLC) at Work® process and subsequently earning a Model PLC at Work school distinction at V. W. Miller Intermediate.

Sean Nank, PhD, is a presidential awardee, professor, presenter, and educator. He teaches at California State University San Marcos and the American College of Education.

Tammy Zunker has more than 30 years of experience in education. She specializes in working closely with instructional leaders, math coaches, and math teachers to leverage the professional learning communities process. Her focus is on strengthening collaborative planning to significantly impact teaching and learning outcomes.

Suyi Chuang is the professional learning supervisor for Loudoun County Public Schools in Ashburn, Virginia. Suyi also serves the school district as a certified project-based learning (PBL) facilitator and formerly served the district as a supervisor of K–12 mathematics.