Mikalai Zaikin
Mikalai Zaikin is a lead Java developer at IBA Lithuania (part of worldwide IBA Group) and currently located in Vilnius. During his career, Zaikin has helped Oracle with development of Java certification exams, and he has been a technical reviewer of several Java certification books, including three editions of the famous Sun Certified Programmer for Java study guides by Kathy Sierra and Bert Bates.