Born in 1976, Ivan Ivec is a Croatian mathematician and IQ test specialist with according to the World Genius Directory an IQ of 174. He holds a Ph.D. in mathematics and works at Gimnazija A.G.Mato?a High School in Samobor, Zagreb. Ivec s website is dedicated to IQ testing and results, and his own tests cover IQ ranges of between 120 and 190. He has also worked with fellow Croatian mathematician Mislav Predavec to design such tests. Interestingly, Ivec says that the time restrictions on intelligence tests devised by psychologists are not ideal for everybody. Specifically, there are intelligent people, capable of performing complex actions and resolving complex tasks, although their speed of solving is low, he has explained.