NEEDHAM, Mass.--(BUSINESS WIRE)--PTC (Nasdaq:PTC) today announced the appointment of Andrew Miller as Executive Vice President and Chief Financial Officer (CFO), effective February 5, 2015. An accomplished finance executive, Miller has more than 30 years of experience in the high technology and medical technology industries. Miller will join PTC from Cepheid (Nasdaq: CPHD), a high-growth molecular diagnostics company, where he has served as Chief Financial Officer since April 2008. During his t