Ensign Stepan was a Starfleet officer in the 24th century.

In 2367, Stepan was assigned to the Engineering Department of the USS Enterprise-D. When it was discovered that a preburner was producing a higher deuterium flow, Chief Engineer Geordi La Forge consulted with Coffin and Stepan. Coffin suggested that this situation might be related to a pastore pulse overpressure, while Stepan thought it was an issue of thermal conductivity. The chief engineer disagreed with Stepan. (TNG-R: "Galaxy's Child")

This character was only mentioned in writing.
For the remastered edition of "Galaxy's Child", the original okudagram was replaced by a new graphic. Stepan was mentioned in that graphic.
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