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Saphier, Jon

Jon Saphier

Jon Saphier is the Founder and President of Research for Better Teaching, Inc., an educational consulting organization in Acton, Massachusetts that is dedicated to the professionalization of teaching and leadership.  Since 1979, he and his RBT colleagues have taught in-depth professional development programs centered on the knowledge base of teaching to e

Sinclair-Slakk, Shawn

Shawn Slakk

Shawn Slakk is the CEO and Founder of ABCDSS Consulting Consortium and works with teachers, administrators, school & state agencies to offer strategies and supports for emergent bilinguals and their classmates both K-12 and adults.

Singleton, Glenn

Glenn E. Singleton

Glenn Singleton hails from Baltimore, Maryland. A product of public elementary and independent secondary school, Singleton earned his bachelor’s degree from the University of Pennsylvania and his master’s degree from the Graduate School of Education at Stanford University.