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Previously, Mr. DuBester served as a Mediator at the National Mediation Board from 2005 to 2009.
WHITEHOUSE: President Obama Announces More Key Administration Posts
From 1993 to 2001, Mr. DuBester was a Member of the National Mediation Board, serving as Chairman multiple times.
Under labor law, a series of steps involving efforts at negotiating are required before the National Mediation Board would release a union to strike.
FORBES: US Airways Flight Attendants: "What About Our Contract?"
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