Authors & Presenters

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.

Jennifer A. Lenhardt, MEd, is a senior manager for professional services with Houghton Mifflin Harcourt, where she integrates her experience as a teacher and her research interest into equity and culturally responsive teaching with the professional learning she creates.

Stephanie Luke is a visiting instructor at the University of Central Florida, where she teaches elementary teacher candidates mathematics and science methods courses. She also serves on the Lake County School Board, representing District 5.

Christy McAloney is mathematics Common Core lead teacher for Grossmont Union High School District in California. Her primary focus is leading teachers through the implementation of PLCs and the Common Core curriculum.

Amanda Miller, PhD, is an assistant professor at Illinois State University, where she teaches mathematics content and methods courses to undergraduate elementary- and middle-school-education majors.

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.

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.

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.

Samantha R. Neff is an elementary mathematics instructional coach. She works with teachers, students, parents, and administrators to enhance the teaching, learning, and assessing of mathematics to improve student achievement.

Edward C. Nolan is currently an assistant professor of education at Moravian University in Bethlehem, Pennsylvania, teaching courses to understand the middle level learner; mathematics methods courses for early childhood, middle level, and secondary mathematics; and supporting field placements in education across the grades.