Axel specializes in JavaScript and web development. He has been developing web applications since 1995. In 1999, he was technical manager at a German Internet startup that later expanded internationally. In 2006, he held his first talk on Ajax. In 2010, he received a Ph.D. in Informatics from the University of Munich. Since 2011, he has been blogging at 2ality.com and written several books on JavaScript. He also regularly holds talks and trainings about web development.