Geoffrey Wake Editor

Akihiko Takahashi is an Associate Professor at DePaul University, USA, where he teaches mathematics and mathematics education. He coined and introduced Collaborative Lesson Research in 2016 to distinguish an authentic Lesson Study from various forms of "Lesson Study" used worldwide.

Geoffrey Wake is a Professor of Mathematics Education at the University of Nottingham, UK, where he leads the work of the Centre for Research in Mathematics Education. He is a co-Founder of the Collaborative Lesson Research group in the UK, which seeks to foster and support lesson study practices and practitioners.