Leonid Shchervinsky is an Oracle and Sun Certified instructor for a wide variety of Java SE, Java EE, and Solaris courses. He has been teaching Sun Certified Courses for over four years. He has BA from WCSU in Computer Science. With over 15 years of industry experience as Network Administrator and Object Oriented Developer Leonid specializing in Java and Web development. He currently holds the following industry certifications: SCJA, SCJP, SCSAS, and SCSNI. In his spare time Leonid enjoys coaching youth league bowling.