For the mirror universe counterpart, please see B. Fifield (mirror).
B. Fifield was a Starfleet officer in the 23rd century.
Fifield was listed as a member of the Fleet Ops team on the dedication plaque of the USS Shenzhou, and as a member of the Science Ops team on the dedication plaque of the USS Discovery. (DIS: "The Vulcan Hello", dedication plaque; DIS: "Context Is for Kings", dedication plaque)
This character was only mentioned in writing.
This officer was named after third assistant director Brooke Fifield.