MARLBOROUGH, Mass.--(BUSINESS WIRE)--Sepracor Inc. (Nasdaq: SEPR) today announced the appointment of several senior managers to key strategic and operational roles within the commercial function of the organization. Mark Iwicki has been appointed to the newly created position of Executive Vice President and Chief Commercial Officer, Jay Smith has been appointed to the position of Senior Vice President of Sales, Dean Giovanniello has been appointed to the position of Vice President of Marketing and Thomas Hoover has been appointed to the position of Vice President, New Products Planning.