Complex sentence: Leszek Czarnecki (b.1962 in Wrocław)-businessman, engineer, graduated at the Wrocław University of Technology, later obtained the doctorate in a College of Economics in Wrocław.
Split into simpler sentences: Leszek Czarnecki (b.1962 in Wrocław)-businessman, engineer, doctor of economics. Graduated at the Wrocław University of Technology, later obtained the doctorate in a College of Economics in Wrocław.