格隆汇8月21日｜联合健康周三宣布，在董事会内成立一个新公共责任委员会，以加强治理和监督。该委员会将监督财务、监管及声誉风险。同时，公司任命Vanguard集团前行政总裁F. William McNabb为新首席独立董事，他自2018年起担任联合健康董事。作为全美最大的医疗保险商，联合健康集团正面临美国司法部的民事和刑事调查，以及因理赔拒批等做法而引发的公众批评。

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