Our mission is to provide the technology and experts to help every student thrive


Dr. Judah L. Schwartz sits on the Yup Education Advisory Board


Dr. Schwartz is an Emeritus member of the Faculty of the Harvard Graduate School of Education, having served as Professor of Education for more than two decades. At Harvard, he taught teachers effective ways of teaching mathematics while deepening their understanding of the mathematics they taught. At MIT he served as Professor of Engineering Science and Education and retired with tenure after more than thirty years of teaching physics. At both institutions, he conducted research on learning and teaching mathematics.


In the course of his research, he has developed and continues to develop educational software. Much of this software serves as resource material for the graduate courses he currently teaches to middle and high school math teachers in the Division of Continuing Education at Harvard University.


He has written extensively about mathematics and education technology, authoring several books and many essays. Links to his writings can be found here.


Yup is backed by some of the biggest names in education

Yup is backed by Stanford University, where our mission to make expert tutoring more accessible for every student originated. Yup is also a member of StartX, an educational non-profit out of Stanford. StartX supports innovative solutions to the world’s toughest problems, which inspired them to admit Yup to the StartX class and become a backer. StartX only accepts 8% of applicant companies into the program, which guarantees access to resources like industry leaders and Stanford professors.

Yup is backed by Collab + Sesame, the official investment arm of Sesame Street. Sesame Street is a landmark global educational program that has helped people learn for 50 years. Collab + Sesame is dedicated to childhood educational development and provides portfolio companies with access to leading experts and resources. The fund chose to invest in Yup because of the differentiators that set us apart from other tutoring providers, including our proven and research-supported pedagogy.


Meet some of our Learning Team

Get to know a few of our team members with backgrounds in teaching, tutoring, and education administration.

Kreg Moccia

Director of Academics

Kreg graduated from Harvard University and began his teaching career in Boston. After moving to New York, he taught Algebra, Pre- Calculus, and Statistics at two high-performing charter high schools. Soon after, Kreg became an Academic Dean and coached a team of 10 teachers. Now he leads the strategy and execution for all of Yup’s tutor operations, from applications to professional development.

Claire Polcrack

Math Education Specialist

Claire graduated from Susquehanna University with a degree in Mathematics & Secondary Education. After graduating, she joined Teach for America where she taught upper-level math for five years. Most recently, Claire was Achievement Director for five high schools in Connecticut and New York. At Yup, Claire helps set the vision and strategy for Yup’s teaching methods.

Kelsea Rathbun

Teaching Quality Analyst

Kelsea earned a Bachelor of Arts in Education from Wichita State University, specializing in Mathematics Curriculum & Instruction. She spent 3 years in the Wichita Public School system working with at-risk and special needs middle schoolers as a student teacher, paraeducator, and A.V.I.D. program tutor. She now uses her passion for math and numbers to manage data and analytics on the Yup Tutor Operations team.

Sharon Matsuoka

Tutor Quality Coordinator

Sharon graduated cum laude from California State University, San Marcos with a major in Mathematics. After receiving her teaching credential from CSU, she taught high school math for 5 years. Sharon has also served as a contributing author and math proofer for Perfection Learning’s textbooks. Currently, Sharon develops the Yup tutor applicant subject exams, grades the teaching exams, and develops our tutor fleet to help them be the best in the industry.


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