Biogen has appointed Michael Ehlers executive vice president, research and development. Dr. Ehlers will oversee Biogen’s global research, drug discovery, clinical development, and medical affairs functions, defining the strategic direction for the company’s R&D organization and leading its efforts to develop therapies for patients with few or no treatment options. Dr. Ehlers will report to George Scangos, chief executive officer, and will be a member of the Biogen management team. He will...