Andrew Katz is recognised as a leader in the field of open source licensing in the UK. He was involved in the drafting of the UK Creative Commons Licence, and has contributed to the GPL Version 3 project. He has spoken at events including BCS conferences, and LinuxWorld Expo, and has sat on panel discussions involving open source software with other experts such as Alan Cox, John "maddog" Hall, Mark Shuttleworth and Glyn Moody. His articles and commentary have appeared widely in the press, including The Telegraph, Financial Times, Microscopeand the Register. He has lectured in the UK, Finland and the Netherlands. He is a founder editor and contributor to the International Free and Open Source Software Law Review.
The independent legal directory Chambers and Partners (2007 edition) says:
The “entrepreneurial” and “immensely experienced” Andrew Katz is an “easy guy to get along with” and a “technology enthusiast.” His expertise includes computer and telecommunications technology and he has a particular focus on open source licensing issues.