Authors & Presenters

Maria Everett is an educational speaker with over 30 years of experience in mathematics education. Her leadership emphasizes and supports collaborative planning, implementation of rigorous mathematics instruction, and best instructional practices.

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.

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.

Timothy D. Kanold, PhD, an award-winning educator and author, is former superintendent of Adlai E. Stevenson High School District 125, a Model PLC at Work® district in Lincolnshire, Illinois.

Jessica Kanold-McIntyre is an educational consultant and author committed to supporting teacher implementation of rigorous mathematics curriculum and assessment practices, blended with research-informed instructional practices.

Donna Simpson Leak, PhD, is superintendent of Community Consolidated Schools District 168 in Illinois. She has trained thousands of teachers and presented at more than 200 conferences worldwide.

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.

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.