Marsh & McLennan appoints new CFO

New York-based Marsh & McLennan Cos. Inc. has chosen Vanessa A. Wittman as its new finance chief and executive vice president. She will begin her duties as executive vice president duties on Sept. 10 and helm the firm’s finances by Oct. 15. Ms. Wittman will report directly to the firm’s president and chief executive, Brian Duperreault. She replaces Matthew B. Bartley, who in June had announced he would leave the company. Previously, Ms. Wittman was the chief financial officer and executive vice president of Adelphia Communications Corp., the now-defunct Greenwood Village, Colo., cable company. There, she led a staff of more than 400 and handled accounting, tax and internal audits, corporate development and the bankruptcy and investor relations teams.