Marsh & McLennan Companies, a global professional services firm, announced the appointment of Stacy Mills as vice president and controller, effective Jan. 1, 2018. In this role, Mills will serve as chief accounting officer and report to Chief Financial Officer Mark McGivney.

As controller and chief accounting officer, Mills succeeds Robert Rapport, who is retiring from Marsh & McLennan after having served as controller since 1999.

Since January 2015, Mills has served as vice president and deputy controller of Marsh & McLennan Companies. She joined Marsh & McLennan in 1999 as controller of Putnam Investments, and her prior finance leadership roles include leading the firm’s finance transformation program and serving as controller of Marsh, a wholly owned subsidiary of Marsh & McLennan. Previously, she served in corporate accounting and financial reporting roles at State Street Corporation, and in public accounting for Grant Thornton and Ernst & Young.