The Jadeans were a species of humanoids native to Jadea.
The Jadeans looked like attractive Humans with green skin. They were genetically modified to resist telepathic readings. They were naturally suited for mathematics.
The Jadeans were originally not interested in joining the Galactic Federation, but due to economic problems they finally agreed. They were then employed throughout the Federations as administrators. Ms Sox was a Jadean. (EDA: Placebo Effect)