Harshad Oak is the author of the books 1) Oracle JDeveloper 10g 2) Pro Jakarta Commons 3) coauthor J2EE 1.4 Bible. 4) Java EE on Oracle Java Cloud. He has spoken at conferences in several countries. For his contributions to technology and the community, he has been recognized as an Oracle ACE Director and a Java Champion. Prior to Rightix and IndicThreads, he has worked with Cognizant and i-flex solutions. In his free time, he works closely with organizations promoting scientific temperament and citizen participation in governance; and a nonprofit initiative Sudhar.In.