Kraton Corp.—Marcello Boldrini has been appointed chief executive. He most recently served as co-chief executive of Kraton Corp., alongside Dr. Holger Jung (PCN, 21 Mar 2022, p 2), and as chief executive of Kraton Pine Chemicals. Shell—Machteid De Haan, previously executive vice president for global Shell lubricants, has become executive vice president for chemicals and products at Shell.
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