If you haven't heard yet: Terry Semel has stepped down as CEO of Yahoo! Jerry Yang is the new CEO of Yahoo! Sue Decker is the new President of Yahoo! Terry Semel will stay onboard as a non-executive Chairman. This is HUGE news! Yahoo! Inc., a leading global Internet company, today announced that the Board of Directors has appointed Jerry Yang, Yahoo! co-founder and long-time board member, as Chief Executive Officer. Terry Semel, current Yahoo! Chairman and CEO, will assume the position of non-executive Chairman and serve as an advisor and important resource for the company's senior management team, while also working closely with the Board. The Board also named Susan Decker, formerly Executive Vice President and Head of Advertiser and Publisher Group, as President of the company.