Keith Ballinger

Microsoft
VP Product Xamarin

Keith has a strong background in entrepreneurship, engineering, and product management, dating back to his time as a PM on the original .NET team. In 2007, Keith left Microsoft for the startup world, co-founding several mobile-first startups. In 2012, he led the team that created SmartPay, a mobile payment application that processes over $1 billion each year.

Previous to Xamarin, Keith was the Chief Architect at the YC-backed startup Standard Treasury, building an API-first bank. He's the author of two books on programming, ".NET Web Service: Architecture" and "Implementation and co-author of Special Edition: Using ASP."