San Francisco, Jan 19 - Yahoo's co-founder Jerry Yang has resigned from its Board of Directors and all other positions with the company, it was announced Tuesday.

The 43-year-old Yang also resigned from the Boards of Yahoo! Japan and Alibaba Group Holding limited, Xinhua quoted the company as stating in a press release.

Having founded the online company in 1995 with David Filo, Yang was Yahoo's chief executive from June 2007 until January 2009. (IANS)