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Membership Online Application

All applicants for membership in SIOP must create an account on our website. Once your account is created, please click the red "Join/Renew your membership" button to complete the application. Please note that documents may need to be uploaded as part of the application process for professional membership. The SIOP membership requirements and instructions for application are outlined at

  • If you are new to SIOP and wish to apply for professional (Member, Associate, or International Affiliate) membership or Student Affiliate membership, please click here to create your account.

  • If you are a current or previous Associate, International Affiliate, or Student Affiliate and wish to upgrade your membership to one of the higher status levels, please submit your upgrade request by logging in at

  • If you are a current or previous SIOP member and simply wish to renew your membership at the same status, please proceed directly to to log in and make your renewal dues payment.