F. Leasure was a member of Starfleet in the 22nd century.
In January of 2155, Leasure worked in ORC at the Fleet Operations Center on Earth. Leasure's office was located in room 3453. (ENT: "Demons" set artwork)
Leasure's name was seen on directory listings seen on the set of "Demons".
F. Leasure was named after Enterprise propmaker foreman Frank Leasure.