He worked several years on various Enterprise Java Projects mostly built upon open source frameworks. He is a founder & committer of open-source projects like PrimeFaces, mesir, YUI4JSF, JSFExcelCreator, HibernateTrace and a contributor of Apache MyFaces. He is a sun certified java professional and javablackbelt contest winner. He gives speeches at local and international conferences about OSS frameworks and tries to leverage the use of them.