Nenad Prelog was born in Zagreb, January 1, 1948. He graduated Sociology and Philosophy at the University of Zagreb, and got his Master of Science degree at University of Michigan, Ann Arbor. He defended his doctorate: "Information Aspects of Environmental Management", at the University of Zagreb. Post doctorate research was done as Fulbright fellow at the University of California Los Angeles. Nenad Prelog was working in Referral Centre of the University of Zagreb, He was Dean of Graduate Program in information Sciences, for two years was editor-in-chief of "Byte", and now is Deputy Director of Lexicographical Institute "Miroslav Krleža". Currently is teaching at Faculty of Informatics in Varaždin, at Faculty of Political Sciences - School of Journalism, and at Croatian Studies. He published 6 books and more than 50 scientific and professional articles.