Biogen CFO leaves for Merck

Biogen Idec Inc. said today that chief financial officer Peter Kellogg will leave the company to take a similar post at Merck & Co. Inc.

Biogen Idec of Cambridge develops drug products that address such diseases as lymphoma, multiple sclerosis, and rheumatoid arthritis; Merck is a New Jersey-based pharmaceutical company.

Biogen Idec said Kellogg would leave the company Aug. 10, adding that it will announce its plans regarding the chief financial officer's position over the next several weeks.
(By Chris Reidy, Globe staff)