A. Zerkel was a member of Starfleet in the 22nd century.
In January of 2155, Zerkel worked in Robotic Systems at the Fleet Operations Center on Earth. Zerkel's office was located in room 1408. (ENT: "Demons" set artwork)
Zerkel's name was seen on directory listings seen on the set of "Demons".
A. Zerkel was named after Enterprise set dresser Adam Zerkel.