NORTH BILLERICA, Mass.--(BUSINESS WIRE)--Lantheus Medical Imaging, Inc., a global leader in developing, manufacturing and distributing innovative diagnostic imaging agents, today announced that Robert Gaffey, Chief Financial Officer, will retire from the Company after more than 37 years of service to the organization, effective January 3, 2012. Jeffrey Young, CPA, has been appointed to succeed Mr. Gaffey as Chief Financial Officer, effective January 3, 2012. As Chief Financial Officer, Mr. Young will direct the Company’s global financial strategy, as well as oversee investor relations and strategic corporate communications. Mr. Young will report to Don Kiepert, President and Chief Executive Officer of Lantheus.