Jeff Servello

“It was Supreme Chancellor Palpatine himself who had presented the schematic to the Strategic Advisory Cell at the second briefing. But in fact the battle station wasn’t a product of Republic research and development; it had originated with the Separatists. The captive Geonosian leader, Poggle the Lesser, maintained that Count Dooku had provided Poggle’s hive with the basic plans, and that the Geonosians had merely refined them.”
― James Luceno, Catalyst: A Rogue One Novel