Mzinga has appointed ALAN (AL) F. NUGENT chief executive officer. He brings more than 30 years of experience in strategic management and innovation to the company. Prior to joining Mzinga, Nugent served as executive vice president and C.T.O. at C.A. Technologies, and senior vice president and C.T.O. of Novell. Nugent will be based in Mzinga’s corporate headquarters in Waltham, Mass.