Unum Group, a provider of group and individual disability insurance products, has announced that its senior vice president and chief investment officer David Fussell will retire from the company.

Mr Fussell will remain with the company until July 1, 2008, in order to provide an effective transition of responsibilities. He will act in a consulting capacity till the end of 2008.

Mr Fussell joined Provident, a predecessor company, in 1966 and has served in many professional roles in the company’s investment operations. In 2000 he was named to his current role.

With Mr Fussell’s retirement, the company appointed Frank Williamson as the senior vice president of capital management and chief investment officer. Mr Williamson most recently served as senior vice president of corporate development and strategic planning and has been with the company since 1995.

The company announced that senior vice president Martha Leiper will take on an expanded role as deputy chief investment officer, with responsibilities for the company’s investment research and trading and as chair of Unum’s internal investment committee. Ms Leiper joined the company in 1985.

The company also announced that Rob Hensley will also take on additional responsibilities and has been named vice president of asset-liability management and investment strategy. In his new role, he will lead the company’s investment risk management functions. Mr Hensley has been with the company since 1999.