Jay J. Schnitzer, M.D., Ph.D. has been named vice president and associate chief medical officer for Boston Scientific Corp.’s clinical leadership team, effective March 24.     Dr. Schnitzer will be responsible for leading the medical input process for the company’s Endosurgery, Neurovascular and Neuromodulation businesses. He will also be involved in the formulation and execution of technology strategies for both internal R&D, as well as external business development activitie...