Andy has programmed professionally in various languages, including 6502 assemblers, C, C++, Java and C#. He’s a co-founder at Rock Solid Knowledge, where he’s responsible for managing the Identity and Access Management Division, and growing the company’s product portfolio utilising a range of technologies including web, mobile and Umbraco CMS. Over the years Andy has trained thousands of software developers, spoken at dozens of technical conferences, and is the co-author of Pro Asynchronous Programming with .NET, published by Apress.