Lesson Study Group at Mills College


Catherine Lewis

Currently director of lesson study research projects funded by NSF and IES and a senior research scientist at Mills College, Catherine Lewis comes from four generations of public school teachers. Fluent in Japanese, she has conducted research in Japanese and U.S. schools for 25 years. Her writings and videotapes, including Lesson Study: A Handbook of Teacher-Led Instructional Change and 'Can You Lift 100 Kilograms?' have introduced many U.S. educators to lesson study. A graduate of Harvard University (B.A.) and Stanford University (Ph.D.), she  is author of more than 40 publications on elementary education and child development, including the award-winning book Educating Hearts and Minds: Reflections on Japanese Preschool and Elementary Education (Cambridge University Press, 1995).

For further information on Catherine Lewis, see:

Short vita

NSF style vita

Full Publications vita

Three Perspectives on Lesson Study (DVD)

An Interview with Catherine Lewis (2006)


Rebecca Perry

Rebecca Perry co-directs the NSF and IES research projects, with primary responsibility for instrument design and for data collection, management, and analysis. Her primary research foci include documenting implementation progress and challenges, extending the research on teacher learning, and using research to support improvements in ongoing innovations.  Rebecca graduated from the Massachusetts Institute of Technology (B.S.) and Stanford University (Ph.D.).  The current lesson study work extends her prior research experiences, focused on teacher professional communities, policy implementation, and education reform efforts at the national, state and local levels.

For further information on Rebecca Perry, see: short vita.

Shelley Friedkin

Shelley Friedkin joined the Mills College Lesson Study Group in 2000 as project coordinator, responsible for many facets of project management.  In 2008 she joined the research team, where her responsibilities include school site liaison, management of data collection, and participation in developing and testing a conceptual model of teachers’ learning during lesson study. Shelley graduated from Brunel University in England with an elementary teaching credential and taught in Central London before coming to live in the U.S. She received her Doctorate in Education from Mills College.  Her interests include teacher learning, professional noticing, and teachers’ use of data during practiced-based professional development.


Jillian Roth

Jillian R. Roth joined the Mills College Lesson Study Group in the fall of 2011 as Research Associate, a position she previously held at the National Writing Project. Jillian graduated from Vanderbilt University in 2004 with a bachelor’s degree in Human & Organizational Development as well as Psychology. In 2006, she received her master’s in Sport Studies and the first graduate certificate in Women’s Studies issued from the University of Tennessee, Knoxville. Jillian is a researcher, writer, and learner determined to make a difference in the world. Her work has focused on Title IX and gender equity; the intersections of identity (e.g. race, gender, sexual orientation, class, etc.), especially that of Black queer female student-athletes; creating safe schools and spaces for students and teachers; and more recently, educational and teacher leadership with a focus on school leadership for social justice.


Elizabeth Baker

Elizabeth Baker, MS, MPH, Ed.D. is a Visiting Assistant Professor at Mills College and the Acting Director of the Mathematics and Science Credential Program in the School of Education. She teaches the methods courses for preparation of secondary mathematics and science teachers. Mills College was one of the first credential programs to use lesson study in the preservice education of teachers, and Baker has studied and honed the lesson study approach over time, making it the capstone event of the credential program. She has also been an active catalyst and researcher of a number of mathematics and science lesson study groups throughout the San Francisco Bay Area.


Julie McGrew

Julie McGrew is the administrative assistant for the lesson study group. She manages the group's budgets, research materials, website and media resources. Prior to joining the Lesson Study Group, Julie worked in advertising for 15 years, managing media planning for a diverse group of clients and accounts. She obtained her B.S. in marketing/advertising at Bowling Green State University, OH.