Marvin Sandrin joined the National Mediation Board on September 24, 2007. As a mediator, he conducts airline and railroad cases, including Grievance Mediation cases. Having served 38 years in the airline industry before retiring from Northwest Airlines, Marvin came to the Board with 28 years of labor relations experience. He had served as General Chair and President Directing General Chair of a union district lodge. Marvin has been involved in negotiations, mediation, arbitration and mergers since 1981.