Based on extensive feedback from ISOP members and many discussions within the Executive Committee, the Bylaws were updated (including changes in membership categories) and were approved at the Annual Business Meeting this summer.
The Executive Committee was asked to construct a new schedule of dues, to be approved by the membership at the next Business Meeting, to apply to 2026 membership renewals and new accounts. The goal is to simplify the membership process and encourage broad participation in Society activities. In conjunction with these actions, the following schedule of membership dues will ensue (changes to be made to the Wiley Membership page for the 2026 membership period).
Regular Membership
Regular members include all members who do not choose or qualify for other categories of membership. It includes all the privileges of individual paid membership.
Dues: 40 USD per year for all countries
Student Membership
Include all the privileges of Regular Membership. It is available exclusively to undergraduate and graduate students.
Dues: 20 USD per year for all countries
Full Privileges Membership
Includes all the privileges of Regular Membership plus the right to receive a subscription to the Journal of Eukaryotic Microbiology.
Dues: 80 USD per year for all countries
Lifetime Membership
Includes all the privileges of Full Privileges Membership and lasts a member´s lifetime.
Dues: 825 USD. Should you wish to purchase this option, please contact the ISOP Treasurer (Dr. Virginia Edgcomb) by email at vedgcomb@whoi.edu.
Emeritus Membership
Emeritus membership shall be available, upon retirement from professional activities to those who have been regular members of the Society for 15 years or more. Emeritus members shall be entitled, for the duration of the member’s life, to membership of the Society for one-half the Regular Membership dues.
Dues: 20 USD per year for all countries
Honorary Membership
Distinguished protistologists deemed worthy of Honorary membership in the Society shall be submitted by the Awards Committee to the Executive Committee for consideration. Upon the recommendation of the Executive Committee, election to Honorary membership shall require a majority vote of all members present and voting at a duly scheduled annual business meeting of the Society. Honorary members shall enjoy all the privileges of Full-Privileges Membership but shall be exempt from all regular dues and levies claimed by the Society from its members for the duration of the honorary member’s life.
Dues: 0 USD per year for all countries
Affiliated Membership categories will be removed from the membership dues schedule and there no longer be a category of PostDoctoral Student (post-docs will be regular members).
We hope that these changes will help to allay some of the complexities that have been affecting some Society members, and we will be happy to answer any questions that arise.
Respectfully,
Gaytha A. Langlois, Membership Secretary



