Akira Shimizu retired as a Professor at the University of Tokyo and the Director of Komaba Insitute for Science.  

As of April 2022, he is a Professor Emeritus at The University of Tokyo, a Project Researcher at Institute for Photon Science and Technology, a Contract Staff at RIKEN Center for Quantum Computing, and a Visiting Professor (as of April 2023) at The Open University of Japan.

However, the homepage of the former Shmizu Lab.  is kept until a new homepage is created elsewhere because some parts (such as the book information) need continual updates.