President (2026-2027): Mariana de Oliveira, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil 

Vice-President/President-Elect (2026-2027): Alison Sherwood, University of Hawaii at Manoa, USA

Past-President (2026-2027): Olivier De Clerck, Phycology Research Group, Ghent University, Gent, Belgium 

Secretary (2024-2026): Maggie Reddy, School of Biological and Chemical Sciences, University of Galway, Ireland

Treasurer (2021-2026): Tim Nelson, Biology Department, Seattle Pacific University, Seattle, Washington, USA

Other Members of the Executive Council

Joe Zuccarello (Editor-in-Chief, Phycologia): School of Biological Sciences, Victoria University of Wellington, Wellington, New Zealand

Fabio Rindi (IOC Chair): Dipartimento di Scienze della Vita e dell’Ambiente, Università Politecnica delle Marche, Ancona, Italy 

Other Elected Members of the Board: Marco Cantonati, Milagrosa Martinez-Goss, Judy Sutherland, Kirsten Mueller, Maren Preuss, Luna van der Loos, Erasmo Macaya, Guillermo Diaz-Pulido, Shinya Sato