Martin Kuppinger is Founder of the independent Analyst Company KuppingerCole and as Principal Analyst responsible for the KuppingerCole research. In his 25 years of IT experience he has already written more than 50 IT-related books and is known as a widely-read columnist and author of technical articles as well as reviews and is also a well-established speaker and moderator at seminars and congresses. His interest in Identity Management dates back to the 80s, when he also gained considerable experience in software architecture development. Over the years, he added several other fields of research, including virtualization, cloud computing, overall IT security, and others. Having studied economies, he combines in-depth IT knowledge with a strong business perspective.