Sara Lee has appointed Jeffrey Ubben to its board of directors, with immediate effect.

The appointment of Ubben, who is chief executive officer, chief investment officer, and a founder of ValueAct Capital, a San Francisco-based investment firm, will bring the number of Sara Lee directors to 11.

"We are pleased to welcome Jeff to our board of directors," said Brenda Barnes, chairman and chief executive officer of Sara Lee Corp. "His experience serving on numerous public companies' boards, his extensive financial knowledge and his interest as a major stockholder will contribute to our continuing momentum."

ValueAct Capital is one of Sara Lee's largest stockholders.

"Brenda and her team have made significant strides in the company's transformation," added Ubben. "I look forward to actively working with the senior management team and the other directors to continue to create value for all shareholders."