Ran Kornfeld has over 9 years of experience in software design and implementation using Java, C++, .NET and other platforms. He specialized in high performance server side systems and was and still is involved in many successful IT projects. He is currently working as an independent Java consultant and instructor, specializing in Java EE, Java SE, and surrounding technologies. Ran is a Sun certified Java developer (SCJD) and a Sun certified Java instructor for several of Sun's courses.