Kindel joined Microsoft in 1990 and worked in a support role initially. He went on to work on Internet Explorer 3, Windows NT 4, Windows ME and Windows Phone 7. Kindel announced his departure in an email to colleagues on Monday noting that he might stop using some Microsoft products after he quits the company on September 1. “I may stop using some Microsoft products now that I’m out of here,” said Kindel. “But not Windows Phone. The BEST product Microsoft has ever built. Do not let up!”

Kindel is leaving to work on a new startup based in Bellevue. He joins a long list of veteran employees who have quit Microsoft recently. Mich Matthews, Microsoft’s former marketing chief, quit the company in March following a 22-year tenure

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