Suntech Power Holdings Co., Ltd. has, in a restructuring of its senior management, appointed a new COO in Johnson Chiang, and a new General Manager in Robin Chen, as well as announcing the departure of Frank Zhang, former General Manager of Suntech's Shanghai thin-film plant. Mr. Chiang takes over the role of COO from Graham Artes (pictured), who will now serve as Managing Director of KSL-Kuttler and as Suntech Corporate Vice President of Engineering, while Philip Yue has been appointed Vice President of Value Chain Development.