Chevron Phillips Chemical Co.-Joe Prather, previously general manager of styrenics, has been appointed polyethylene business manager. He succeeds Ron Corn, who has been named global business development manager. Mark Amelunke has been promoted to general manager for engineering polymers. He had been global business development manager.
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机译：雪佛龙菲利普斯化学公司前苯乙烯部门总经理乔·普拉瑟（Joe Prather）被任命为聚乙烯业务经理。他接替了被任命为全球业务发展经理的罗恩·科恩（Ron Corn）。 Mark Amelunke被提升为工程聚合物总经理。他曾担任全球业务发展经理。
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