In ST:B, players start as Ensigns (Officer - Level 1: O-1). As the players advance as writers they are promoted both in-game and out-game.
Dave K, definitely CO
Tom, O7, former CO of Cromwell
Tim, CO, joined Aug 2007
Rich, probably O7, joined 2008
Heidi, CO of Discovery before Caleb
Anna-Maria, CO of Horizon, joined 2013
Drika, CO SES S'Task and DFA Cromwell-B, joined 2011
Devon, CO DFA Cromwell-B, joined 2012
Jason, CO SES S'Task
Randy, CO SES S'Task, joined 2012