David Walker is a Sitecore Architect for XCentium.com. He has over 18 years’ experience in application development with over 50% of that employed as a consultant. He has been an MCP since 2003, MCAD and MCSD since 2005, a two time Microsoft MVP – ASP/ASP.NET from July 2007 – July 2009, and a Certified Scrum Master and Certified Scrum Developer since 2011. He was a Senior Application Development Manager with Microsoft for 3 1/2 years where he coached and mentored numerous Fortune 1-100 companies on agile methodologies, best practices, development standards and technology innovation. He is a former board member for INETA (Vice President, Speakers Bureau), President of the Tulsa Developers .NET users group, founder and President of the Tulsa SQL Server Group and Tulsa Java Developers Group, and Vice President of the Tulsa SharePoint Interest Group. He has been the Chairman of TulsaTechFest.com since founding it in 2006, the region’s largest annual technical training conference.
Recently he has focused on a wide range of newer technologies, including: Azure, AppFabric, MEF (Managed Extensibility Framework), SharePoint, WindowsPhone and Windows8/WindowsStore applications. He has been using WCF (Windows Communication Foundation) and WPF (Windows Presentation Foundation) since their first Beta release back in 2005/2006.