BioHe is a director of several public companies, including Crosstex Energy, Star Gas, Approach Resources, and Hallador Energy as well as other private companies. Previously, he served as Chairman of Christiana Companies, Inc., chairman of C2 Inc. and a director of MassMutual Life Insurance Co., U.S. Bancorp, MGIC Investment Corp., Ameritech Corporation, Weatherford International, Grant Prideco and other public companies ....
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