Membership Upgrade The System Safety Society encourages members at all levels to continue to advance their status and professional credentials by upgrading their membership as soon as their qualifications permit. Membership upgrade forms may be downloaded from the links below. Use the form and the instructions below if you would like to upgrade from the Administrative Category (Student or Affiliate) to Professional Member (please download both files): Individual Membership Application Form Membership Application/Reclassification Form (MS Word) Use the following form if you would like to upgrade from Professional Member to Senior Member or Fellow Member status: Reclassification Form