At least since Paul Roczek's student Ziyu He won the Eurovision Prize "European Young Musicians" for Austria in 2014 and then first prizes in numerous international competitions including the Menuhin Competition in 2016, and then from the Vienna Philharmonic as the youngest soloist in their history to perform in a subscription concert was invited to play Bartok's second violin concerto, his pre-college class at the Mozarteum is regarded as a training ground for promising musical careers. Clara Shen, who is only 13 years old and has been working with Roczek for several years, is also an important figure after winning many international competitions Appearances on German television and in major concerts have already become known. As a successful teacher, he was invited to the jury of many major competitions around the world, such as Kulenkampf, Kreisler, Louis Spohr, Schöntal Monastery, Shenzhen, Singapore and Mozart competitions in Salzburg, Augsburg and Zhuhai. He was invited as a visiting professor to Bowdoin, Semmering, Menuhin Academy, China Conservatory, Sommerakademie Mozarteum and Keshet Eilon and gave master classes at the Guildhall School, the Moscow Conservatory, the Toho Gakuen School, the Shanghai Conservatory as well as in Paris, Prague, Mannheim, Shenzhen, Qingdao, Vilnius, Tallinn, Gothenburg, Philadelphia, Dallas and many more. Recently, Roczek has developed international youth competitions in Zhuhai and Sarajevo and is also an advisor to the well-known Polar Prize Concours in Gothenburg. In Austria, he heads the Federal Advisory Board of the Austrian Music Competitions (prima la musica) and is therefore endeavored to introduce talented musical youth to promising studies in a balanced way, both instrumentally and technically.