Mozilla hired Kovacs about six months after previous CEO John Lilly said he would be leaving to join VC firm Greylock Partners. Kovacs is currently an SVP at SAP’s mobile division. Kovacs had stints at Adobe and Macromedia as well. Open source web browser Mozilla Firefox had quickly taken away market share from Microsoft Internet Explorer only to see Google introduce a solid browser of their own called Chrome. Google has been a major investor in Mozilla since they launched the Firefox browser.