The iOS team lost a key member a couple of months ago as Henri Lamiraux, iOS Engineering Vice President at Apple, has retired. Lamiraux has been working at Apple since 1990, that's 23 years, but his retirement went unnoticed until someone spotted it on his LinkedIn profile. Lamiraux cut his teeth at Apple working on Mac OS, moving to iOS in 2005 (you'll recall that the original iPhone wasn't...
Source: http://www.gsmarena.com/ios_engineering_vp_retires_after_23_years_with_apple-news-7120.php