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Interested in Joining SIOP?

To become a member of SIOP you must meet the criteria for one of the membership types listed here. Please read the eligibility requirements carefully as each is governed by the Society’s Bylaws. The SIOP Membership Committee, comprised of SIOP member-volunteers, reviews professional membership applications to ensure the Bylaws’ standards are upheld.

In order to reduce delays in your membership application process, please carefully review the information below before submitting your application to ensure you have met ALL requirements. SIOP will verify degrees of professional member applicants and may verify enrollment of Student Affiliate applicants. Dues information is available here.

Professional Member options for new members include Member or Associate:

A “Member” applicant must meet all of the following criteria:

  • Hold a doctoral degree based in part upon a psychological dissertation conferred by a graduate school that is regionally accredited or one of equivalent standing outside the United States.
  • Be engaged in study or professional activities, as demonstrated by research, teaching, and/or practice, which are related to the purpose of the Society, as stated in Article I, Section 2 of the Society’s Bylaws.
  • Submit a resume with up-to-date employment history and educational background, including the title of the doctoral dissertation as well as the abstract, if not obviously psychologically based.

Applicants for “Member” with a doctoral degree not specifically called “Industrial-Organizational Psychology” must support their application with two documents of any combination of the following:

  • Abstract of an article published in an I-O-related journal
  • Letter of recommendation written by current Society Fellow or Member (not Associate or Student Affiliate) (sample letter of recommendation) (PDF Version)
  • Listing of I-O related courses you have taught
  • Copy of unpublished research or evaluation report in an I-O area

“Member” is also available to existing “Associate” individuals who meet a few additional qualifications, outlined HERE.


An “Associate” applicant must:

  • Hold a master's degree in psychology from a regionally accredited graduate school or one of equivalent standing outside the United States.
  • Individuals who have completed at least two years of graduate work in psychology in a regionally accredited graduate school are also eligible for “Associate;” however, if the individual is still currently a student, the individual is also eligible for and may prefer to apply for “Student Affiliate”.
  • Be engaged in professional or graduate work related to the purpose of the Society, as stated in Article I, Section 2 of the Society’s Bylaws.

A “Student Affiliate” applicant must:

  • Be a student (graduate or undergraduate) presently engaged in formal study related to the purpose of the Society as stated in Article I, Section 2e of the Society’s Bylaws.

Recently graduated (within the past 12 months) Student Affiliates may take advantage of SIOP’s courtesy grace period allowing you to remain a Student Affiliate for one extra year.

Student applicants are automatically approved for membership in SIOP upon payment of the dues.

”Fellow” is an esteemed honor granted through a nomination process, under the direction of the SIOP Fellowship Committee. Questions pertaining to SIOP Fellowship can be directed to Dr. Derek Avery, SIOP Fellowship Chair.   “Retired” memberships are available to any current SIOP professional member (Fellow, Member or Associate who is now retired. To switch from professional membership to “Retired” simply choose the retired dues amount during your next dues payment transaction.
“International Affiliate” is a former member type in SIOP. A bylaws vote in 2016 eliminated this category. New professionals should select either Member or Associate.

How Do I Proceed?

Begin your application here. To view the many benefits of SIOP membership, please visit www.siop.org/benefits.

Need to convince your boss? Click here for documentation to assist you in justifying the expense of SIOP dues to your employer.

If your membership question is not answered here, please contact Jayne Tegge, Senior Membership Services Specialist in the SIOP Administrative Office, at siop@siop.org or 419-353-0032.

Click on the graphic to the left to see our Membership Brochure for more detailed information on the benefits of joining SIOP.

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