Sara Collina, JD
Sara is an educator, curriculum developer, strategic planner and seasoned project director. For more than 16 years, Sara has worked for the National Breast Cancer Coalition (NBCC) designing educational programs that empower breast cancer advocates to understand the science of breast cancer. She has created mediation programs for a federal union, sex education classes for Planned Parenthood, and social science courses for the Washington DC homeschooling community. She has taught law to high school students and managed afterschool programs at a Montessori elementary school. Sara has a passion for helping young people understand and work within complex and dynamic systems. She has firsthand knowledge of numerous school environments; her three children attend independent, public, and homeschooling programs. Sara has a BA from Cornell University and a JD from UC Berkeley (formerly Boalt Hall) School of Law.
Dr. Tamar Posner
Tamar is a mathematician and educator who has pioneered the development of Creative Math® programs for K-8 and MathAction® for grades 7-10. Tamar has a proven track record of transforming young people with a wide range of math abilities and interests into confident mathematicians who use math as an integral tool for understanding their world. She has taught students and teachers around the world, including the USA, Israel, India, Indonesia, and Japan, in both public and independent school settings. Tamar is committed to sharing her passion for math in order to develop students as critical thinkers and leaders in an increasingly complex world. She holds degrees in Mathematics and Philosophy from the Hebrew University in Jerusalem, Israel and MA and PhD in Mathematics Education in the Education for Math, Science, and Technology program (EMST) from UC Berkeley, California.