Aldo Erdona was a male Human who lived in the 24th century. Erdona held the rank of Commander and was a member of Starfleet Intelligence.
In 2382, Erdona visited Deep Space 9 to recruit Julian Bashir for a mission to infiltrate the Breen base on Salavat and retrieve stolen information on the quantum slipstream drive. Erdona also recruited Sarina Douglas to assist Bashir and for Jack, Lauren and Patrick to analyse all Starfleet intelligence on the Breen to assist the mission. (ST - Typhon Pact novel: Zero Sum Game)
Several weeks later, Erdona debriefed Bashir and Douglas on the mission. (ST - Typhon Pact novel: Plagues of Night)