Mactas, 58, has provided leadership in a number of geography and line-of-business roles during his 31-year tenure with the company, according to a news release, . He served as Towers Perrin chief executive officer before stepping into the role of Towers Watson president and chief operating officer after the merger of Towers Perrin and Watson Wyatt Worldwide in 2010.
“Mark has established a reputation as a leader who operates with unquestionable integrity and throughout his career has been a role model for the company’s values,” said John Haley, Towers Watson chairman and chief executive officer. “
Over the coming months, Mactas will continue in his current role as president and chief operating officer. His areas of focus will remain the same – positioning Towers Watson for growth through his input into overall strategy, furthering the company’s integration efforts, and providing guidance in critical areas such as leadership development and succession planning.