Tiffany & Co. has announced the appointment of Patrick F. McGuiness as senior vice president and chief financial officer. McGuiness, 45, joined Tiffany in 1990. He was promoted to senior vice president - finance in 2007, responsible for Tiffany's worldwide financial functions. On the other hand, outgoing CFO James N. Fernandez has been appointed to the newly-created role of chief operating officer. Fernandez, 55, served as CFO since 1989 and executive vice president since 1998. Among his responsibilities are diamond operations, real estate operations, distribution, manufacturing, customer service and security.