Willis Group has appointed Michael Neborak as new executive vice president and group chief financial officer (CFO). Mr Neborak, who will join the company on July 6, 2010, will report to group's chairman and CEO Joe Plumeri. He will also serve as a member of Willis’ executive committee.

Mr Neborak based in New York, and will also work out of the group’s executive offices in London.

According to the Willis, Mr Neborak will be responsible for all of its global finance functions, including corporate accounting and reporting, financial planning and analysis, tax, treasury and investor relations.

Prior to this, Mr Neborak was CFO of MSCI. He was was also part of MSCI’s senior management team that took the company public in November 2007. Prior to joining MSCI, he worked for Citigroup and its predecessors from 1982 to 2006, most recently as divisional CFO for the global operations and technology group and the alternative investments group.

Mr Plumeri said: Mike is an outstanding CFO with broad experience in the financial services sector. He brings great skill and deep background to our senior management team and joins Willis at an important moment in our company’s history.

With Mike helping to lead the charge, we will continue to build on our successes and work to accelerate our growth, while we maintain our expense discipline and further strengthen our balance sheet.