Forstall joined
Steve Jobs's
NeXT in 1992 and stayed when it was purchased by Apple in 1997. Forstall was then placed in charge of designing user interfaces for a reinvigorated Macintosh line. In 2000, Forstall became a leading designer of the Mac's new Aqua user interface, known for its water-themed visual cues such as translucent icons and reflections, making him a rising star in the company. He was promoted to SVP in January 2003.
[4][7] During this period, he supervised the creation of the
Safari web browser. Lisa Melton, a senior developer on the Safari team, credited Forstall for being willing to trust the instincts of his team and respecting their ability to develop the browser in secret.
[8]
[...]
In 2006, Forstall became responsible for
Mac OS Xreleases after
Avie Tevanian stepped down as the company's Chief Software Technology Officer and before being named SVP of iPhone Software.
[4][11][12][13][14] Forstall received credit as he "ran the iOS mobile software team like clockwork and was widely respected for his ability to perform under pressure".
[15]