David Ciarlone, Manager, global energy services, Alcoa Inc., has been named chairman of the Process Gas Consumers Group, filling the vacancy created by the retirement of Alex Strawn. In addition, Audrea Hill, senior director of raw materials / hedging, Potash Corp., has been elected Vice Chair, and Robert Cooper, director of energy, USG Corp., has been elected secretary/treasurer. Strawn, North American energy purchasing manager at Procter & Gamble, had been chairman of the group since 2004.

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