Update your Membership
Membership Database
To locate your Member ID, log in to the SISO Website and select your name in the top left corner, then “Edit Profile”. Your Member ID will be found under the “Manage Profile” tab.

If you believe you should be in the SISO membership database, but have NOT received your SISO membership number, please contact:

SISO Support
407-882-1378
SISO-Help@sisostds.org