Holds a degree in Mechanical Engineering and a degree in Business Administration from the University of Innsbruck / Austria, where he also earned his Ph.D. in 1989. From 1987 – 1995 Donat worked for Hilti Inc. holding senior management positions in Liechtenstein, the US and throughout Asia. Since 1995 he is an independent entrepreneur in Liechtenstein. He also serves on the board of different public and private corporations in Liechtenstein and Switzerland. In 1999 he co-founded Sercalo with his brother Cornel. As Chief Financial Officer he is in charge of contractual and financial activities. He is leading the Sercalo site in Schaan / Liechtenstein.