James Howell is VP of Windows Marketing at Microsoft, leading the company's push to define the AI PC era. Based in Woodinville, Washington, he has been at the forefront of marketing Copilot+ PCs and positioning Windows 11 as the platform for on-device AI. He has been a key Microsoft spokesperson on the AI PC transition, championing Copilot+ as a new hardware category and appearing in press and video series including 'Innovators Powered by Best Buy' to evangelize what AI can do for everyday PC users.
Stefan Kinnestrand is Vice President of Product Marketing at Microsoft, where he leads go-to-market strategy for cloud endpoints and commercial end user computing - spanning Windows Commercial Client, Windows 365, Azure Virtual Desktop, Cloud & AI Devices, and Microsoft Intune. A 23-year Microsoft veteran originally from Stockholm, Sweden, he has built a track record of transforming products from incubation to billion-dollar businesses and driving multiple-billion-dollar incremental revenue for Microsoft and its partners.

Steven Sinofsky spent 23 years at Microsoft building some of the most-used software in history - Office, Windows 7, Windows 8, and secretly, the Surface tablet. A meticulous operator who refused to promise features until they were ready, he rose to become President of the Windows Division and Microsoft's most likely successor to Steve Ballmer before his abrupt departure in 2012. Today he's a Board Partner at Andreessen Horowitz (a16z) and writes Hardcore Software, a serialized Substack memoir chronicling the rise and fall of the PC revolution from the inside.