Michael E. Lytton has been appointed executive vice president, business and corporate development, Biogen Idec. Mr. Lytton will be responsible for leading the company’s business development activities.   “Michael brings more than 25 years of business development, investment and legal experience in the biotechnology industry,” said Biogen Idec chief operating officer Hans Peter Hasler. “His M&A background, as well as his experience in identifying and translating promising scienc...