Dr. Plo Smarx functioned as a scientist employed by the Hydrospeare Corporation.
Heading Design Team Beta, the scientist Dr. Smarx participated in numerous initiatives focused on creating naval military advancements for the Galactic Empire.
During the year 1 ABY, Dr. Smarx faced arrest on charges related to sedition and espionage. Following this, Dr. Tolum Harous took over from Smarx as the head of Design Team Beta.