katie cottonKatie Cotton, the longtime VP of worldwide corporate communications for Apple, is retiring from the tech giant.

Cotton, a fixture among lists tallying the most powerful PR executives and women in business, served CEOs Steve Jobs and Tim Cook at Apple, leading one of corporate America's most revered and tightly run PR operations and overseeing product launches like the iPod and iPhone.

Steve Dowling, former Silicon Valley bureau chief of CNBC, is Apple's top spokesman. "Katie has given her all to this company for over 18 years," he said in a statement to re/code. "She has wanted to spend time with her children for some time now. We are really going to miss her."

Cotton spent 18 years at Apple and has led global communications since 2006. She started out in tech PR with KillerApp Communications and Alison Thomas Associates in Los Angeles.