The LFS is run by a committee of officers and up to 6 ordinary members who are elected at the AGM each March. The current (2010-11) committee is:
| President | Sir Jack Hayward |
| Vice Presidents | Professor Jennifer George (Journal Editor) |
| John A Harman | |
| Diana Keast | |
| Dr Myrtle Ternstrom | |
| Chairman | Dr Keith Hiscock |
| Hon Secretary | Michael Williams |
| Hon Treasurer | Michael Fry |
| Hon Membership Secretary | Sandra Rowland |
| Members | Andrew Cleave, MBE (2008-2011) |
| André Coutanche (2008-2011) | |
| Tim Davies (2010-13) (newsletter editor) | |
| Simon Dell, MBE (2008-2011) | |
| Trevor Dobie (2009-12) (working parties) | |
| Colin McShane (2009-2012) (Annual Report editor) | |
| Co-opted | Robert Irving (Marine Conservation Zone Advisory Group) |
| Alan Rowland (archivist) | |
| Chris Webster (website) |