More NewsStyron Names Diemer as CFO, Sereda as Treasurer and Osborne as Controller

Styron Names Diemer as CFO, Sereda as Treasurer and Osborne as Controller

Styron, a global materials company, has named three new members to the company’s executive leadership: Richard Diemer Jr as chief financial officer (CFO); John Sereda as treasurer; and George Osborne as controller.

Diemer has been named executive vice president (EVP) and CFO. Diemer was previously the senior vice president (SVP) and CFO of Albemarle Corporation, a US$2.5bn specialty chemical company. Celso Goncalves, who is currently CFO of Styron, will remain with the company through year-end to ensure a smooth transition.

Diemer brings to Styron a 25-plus year track record in strong financial and strategic leadership. Prior to joining Albemarle, Diemer served as corporate controller of Honeywell International (and predecessor Allied-Signal), vice president and CFO of Honeywell’s Specialty Materials business, and senior portfolio manager equities for Honeywell Capital Management. Diemer is a graduate of the University of Virginia’s McIntire School of Commerce and began his business career with KPMG. Over a 17-year career with KPMG, Diemer spent time in KPMG’s New Jersey practice, executive office and London office, and served as both an audit and SEC reviewing partner.

Sereda has joined Styron as vice president and treasurer with responsibility for all treasury matters, including cash management, risk management, relationships with ratings agencies and commercial banks, and financing. He is a member of the Styron leadership team and reports to Diemer. Sereda most recently served as vice president, finance, and treasurer for NOVA Chemicals. Sereda brings to Styron 32 years’ experience in banking, treasury operations, natural gas trading, risk management, and finance. He attended the University of Saskatchewan and the University of Toronto, studying economics and banking.

Osborne joins Styron as vice president and controller with responsibility for all controllership matters, including accounting policy and application, financial reporting, and internal control. He is a member of the Styron leadership team and reports to Diemer. Osborne most recently served as The Dow Chemical Company’s corporate controller’s director of merger and acquisition (M&A) and significant transactions. Osborne brings 40 years of multinational accounting and finance experience to Styron. He is a graduate of Louisiana State University, with a BS in Accounting.

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