Microsoft’s big reorg last year left Terry Myerson in charge of Windows, and three Windows executives sidelined without jobs. The big changes came around six months after former Windows chief Steven Sinofsky departed the company in a surprise shakeup following the Windows 8 release. Two of the sidelined executives, Jon DeVaan and Grant George, left last year, and the third — Antoine Leblond — is leaving Microsoft this week. Recode reports that Leblond, who has worked at Microsoft for 25 years, will leave the company after Monday, just days before the Build developer conference he has typically presented at over the years. Leblond worked on Microsoft Office for 20 years, with a lot of time spent working alongside Steven Sinofsky.