International Organization of Chinese Physicists and Astronomers


To join OCPA, please contact the membership committee chair.

Member Login

For existing members, please log in using the link above. Your user name is your email used in your registration. Upon first log in, please use the “lost password” link to reset your password. Once you have logged in, please update your information. In your membership page, you can renew or change your membership status.

Current Members: