This document provides information about Kostadin Angelov's career and qualifications as a soccer coach: - He became the youngest coach ever in the Bulgarian premier league in 2003 and led Vidima-Rakovski to promotion in 2006 and 2007. - He coached the Bulgarian U16 national team in 2007 and gave a presentation at an international sports conference in Indonesia in 2009. - In 2010, he became the head coach of the first Bulgarian FIFPro national team and led Pirin to the Bulgarian cup semi-finals in 2011. - The document also lists his education, licenses, language skills, and emphasizes his focus on possession-based play, fast transitions, tactical organization, and developing