The IOS is currently managed by an Executive Board of five members: President, Vice-President, Secretary, Treasurer, and Assistant Secretary who are elected for a period of two years at the statutory General Meeting of Members held during the biennial Congress.

President:

Professor Len Newton
Department of Plant & Microbial Sciences, Kenyatta University
P.O. Box 43844, Nairobi 00100, Kenya
e-mail:

Vice-President:

Dr Héctor M. Hernández Macíask
Departamento de Botánica, Instituto de Biología UNAM
A.P. 70-233, MEX-04510 México DF, Mexico
e-mail:

Secretary:

Dr David Hunt
The Manse, Chapel Lane, Milborne Port, Sherborne, DT9 5DL, U.K.
e-mail:

Assistant Secretary:

Rainer Mecklenburg
Treeneblick 11, D-24852 Langstedt, Germany
e-mail:

Treasurer:

Sara Oldfield, BGCI, Descanso House
199 Kew Road, Richmond, TW9 3AB, U.K.
e-mail: