Kristjan believes that the best way to learn that fire is hot, is by burning ones' fingers. Although over they years he has also learned to turn the heat down a bit and have a supply of "Burnshield" nearby. Believing that using practical exercises and puzzles is the best way Kristjan has been teaching testers in companies, universities and sometimes at conferences over 6 years. After working in embedded and pure web development industry, with a side order of game development, he has learned, unsurprisingly, that different project require very different testing skills. Currently, Kristjan is managing 4 teams of software developers and testers.