Analog Devices, a global provider of high-performance semiconductors for signal processing applications, has promoted Seamus Brennan to vice president, corporate controller, and chief accounting officer, effective Dec. 8.

Since joining ADI in Limerick, Ireland, in 1984, Brennan has played a key role in the development and implementation of the company’s worldwide financial systems, processes, and controls. After serving as Limerick’s plant controller from 1989 to 1994, he transferred to ADI’s corporate headquarters in Norwood, MA, to manage the implementation of the company’s worldwide enterprise software system for transaction processing and financial reporting.

In 1997, he became assistant controller and, in 2002, was promoted to corporate controller. For the past six years, Brennan has been managing ADI’s worldwide accounting and transaction processing, internal control, management planning and reporting, internal audit, and SEC reporting functions.

In a separate press release, ADI also announced that David Zinsner has been appointed vice president of finance and chief financial officer, effective Jan. 12, 2009.