Professional Education

Before joining Relay Professional Education, Zach joined Relay Online as founding faculty where he taught graduate-level coursework to teachers across the country. In that role, he honed his skills in online teaching through combining his expertise in adult facilitation with digital technologies.

Zach has also recently served as a consultant to organizations striving to strengthen the quality and impact of their synchronous online offerings, including Next Gen Personal Finance and The Together Group. Prior to Relay, Zach served as an Assistant Principal in Southwest Philadelphia, helping lead his school to increased achievement results each year. Zach started his career as an AP English teacher in the Rio Grande Valley. His students became the first in school history to pass the AP Language and Composition exam.

Zach holds a Bachelor of Arts in English Literature from the George Washington University, a Master’s in Public Administration from the University of Pennsylvania, and a principal certification through the National Principal Academy at Relay GSE.

• Prior to joining Professional Education, Chanel served as Director of Residency for Relay Online, partnering with numerous schools and networks nationally to build innovative support systems for teachers in residence. While serving as Director of Residency, Chanel also taught graduate courses in core pedagogy and elementary methods and supervised clinical practice. 

• Before joining the Relay faculty, Chanel was an Assistant Principal in South Philadelphia. During her time as Assistant Principal, the School District of Philadelphia ranked her school first within its peer group and second citywide for academic growth. Chanel began her career in education as an elementary school teacher in Philadelphia.

• Chanel holds a Bachelor of Arts in Women’s Studies from Barnard College of Columbia University, a Master’s in Education from University of Pennsylvania, and a principal certification through the National Principal Academy at Relay GSE. Chanel currently lives in her hometown of Philadelphia and serves as a proud board member of Philadelphia Hebrew Public, the city’s first racially and linguistically diverse-by-design public school, and member of Fleisher Art Memorial’s programs impact committee.

As Managing Director of Professional Education, Teacher Programs, Dr. Sarah Marder-Eppstein oversees all aspects of professional learning opportunities for teachers at Relay. Prior to joining professional education, Dr. Marder-Eppstein co-led degree-granting programming for over 1,500 teachers in Relay’s online campus and taught elementary methods and general pedagogy coursework. Dr. Marder-Eppstein also ran the annual Educator Summit conference for six years in partnership with the Character Lab, serving thousands of educators from around the world.

Before joining Relay in 2013, Dr. Marder-Eppstein taught third grade at Achievement First Brownsville in Brooklyn, NY. Dr. Marder-Eppstein holds a Bachelor of Arts in English and Spanish Literature from Washington University in St. Louis, a Master’s in Teaching from the Relay Graduate School of Education, and a Doctorate in Education from the Rossier School of Education, University of Southern California. Her research interests include new teacher retention strategies, culturally responsive teaching, and character development.