esse Liberty is a mobile and full stack .NET programmer working for Cognizant.. He is a Xamarin MVP and Xamarin Certified Mobile Developer, a Microsoft MVP, an author, and he creates courses for Pluralsight, LinkedIn Learning and Udemy Liberty hosts the popular Yet Another Podcast and his blog is considered required reading. He was a Senior Evangelist for Microsoft, a Distinguished Software Engineer at AT&T; Software Architect for PBS and Vice President of Information Technology at Citibank.