This study addresses the history, implementation, management, institutionalization and evaluation of the world’s largest employment mediation program, the United States Postal Service’s REDRESS (Resolve Employment Disputes, Reach Equitable Solutions Swiftly) Program. Designed and implanted top-down as alternative dispute resolution for complaints of discrimination, it also served as a bottom-up method for changing how employees and supervisors handle conflict at work through its award-winning use of transformative mediation.