Craig Duncan, the head of Xbox Game Studios, is leaving the company after 15 years at Microsoft, and so is his chief of staff. The changes come ahead of reported layoffs and possible studio closures at Xbox under the leadership of Xbox CEO Asha Sharma, who has vowed to “reset” the Xbox business. Duncan was the longtime studio head at Sea of Thieves developer Rare before he got promoted to overall Head of Xbox Game Studios in November 2024. He…