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Jack Aaron Drayson is the current Chief of Staff of Starfleet, and serves on the command board of Starfleet in that capacity.
He is currently an Admiral, having held posts including Director of the Starfleet Diplomatic Corps, Acting Starfleet Commander, Beta Fleet Commander and Deputy Beta Fleet Commander.
Prior to joining Starfleet Academy, Drayson completed a Bachelor degree in Intestellar Law, a Masters degree in Public Administration and a doctorate in Interstellar Diplomacy. He is considered a leading expert on Federation law and diplomatic relations.
During his career he has also held posts as envoy to the Klingons, Cardassians and the Romulans.