The activities of FIMU are managed by the headquarters of the American Mathematical Society in Providence/Rhode Island, under the supervision of the AMS Executive Director Catherine Roberts.
FIMU itself is governed by a board of directors which currently consists of the following persons:
- Ronald L. Graham, Chair until 31 December, 2016
- Shigefumi Mori, President
- Helge Holden, Secretary
- David Eisenbud, Board Member from 1 January, 2017
- Olga Gil Medrano, Board Member
- Ronald J. Stern, Board Member
FIMU Treasuer is Don McClure.