Oleg Varaksin is a senior software engineer living in Germany, Black Forest. Oleg is a graduated computer scientist who studied informatics at Russian and German universities. His main work and 'daily bread' for the last six-seven years consisted of building Struts, JSP, JSF, Spring and jQuery-based web applications, mostly document management systems. He is an experienced JSF expert and has worked with the component library PrimeFaces since its beginning in 2009. He is also a well-known member of the PrimeFaces community and co-creator of the PrimeFaces Extensions project – additional JSF 2 components for PrimeFaces. Besides these technologies, he has also worked as a front-end developer with many other web/JS frameworks: GWT, Prototype, YUI Library, etc. and implemented his own Ajax framework before all the Ajax hype about AJAX began. Oleg normally shares his acquired knowledge in his blog, http://ovaraksin.blogspot.com.