Time Warner Cable CEO Glenn Britt will retire at the end of 2013

NEW YORK, N.Y. - Time Warner Cable says its chairman and CEO Glenn Britt will retire at the end of 2013.

The company's board elected Robert Marcus to succeed him. Marcus is the company's president and chief operating officer.

The 64-year-old Britt became CEO of the cable company in 2001. He led the company through many technological changes, such as the addition of high-speed internet and Video on Demand. He also oversaw the company's emergence as a publicly traded company. It is one of the nation's biggest cable companies with 15 million customers.

Following his retirement, Britt will remain on the board, but take a non-executive role.

The 48-year-old Marcus joined Time Warner Inc. in 1998 and moved to Time Warner Cable in 2005. He was named chief financial officer in 2008. He worked with Britt during its 2009 spin-off from Time Warner Inc.