J. Haselbusch was a member of Starfleet in the 22nd century.
In January of 2155, Haselbusch worked in Data Processing at the Fleet Operations Center on Earth. Haselbusch's office was located in room 1352. (ENT: "Demons" set artwork)
Haselbusch's name was seen on directory listings seen on the set of "Demons".
J. Haselbusch was named after Enterprise lighting technician John Haselbusch.