Petru Munteanu received his professional training in Bucharest from Prof. George Manoliu (pupil of Enescu) and participated in masterclasses with Juri Jankelevitsch (Moscow) and Michael Vaiman (St. Petersburg). A life-long artistic friendship with Stefan Gheorghiu, one of the most important Romanian violinists (pupil of Enescu and David Oistrakh) has also influenced him. He became a director of the Special School of Music and also a professor at the University of Music in Bucharest. After moving to Germany, he became in 1970 a violin professor at the Universities of Music in Lübeck and in Hamburg.
In 1994 Prof. Munteanu was offered a professorship at the newly founded University of Music and Theater in Rostock. The German section of ESTA (European String Teachers Association) has chosen him for the years 2000-2004 as their president. His students are members of the best European orchestras (Berlin and Hamburg Philharmonics, the Bavarian State Opera, the Vienna Philharmonic). They often won first Prizes at national and international competitions. His student, Baiba Skride, in addition to winning many important prizes (Paganini, Lipizer etc.) won in 2001 the first Prize at the Queen Elizabeth - Competition in Brussels and began an international career as a concert soloist. Albena Danailova is the first woman ever, who was committed and confirmed as 1st Concertmaster of the Vienna Philharmonic, Axel Strauss, winner of numerous competitions and the only German, who has won the first Prize at the "Walter W.Naumbung-Competition" in New York, has been active as a soloist and professor at the Montreal University. By invitation of several universities, he taught in masterclasses in many countries: Russia (Moscow, St. Petersburg), Ukraine (Kyiv, Kharkiv), China (Shanghai, Beijing), the United States (Brunswick), Spain, Poland, Romania, the Czech Republic, Switzerland, France, Lithuania, etc. In 1986, he established the International Violin Competition and the International masterclasses for strings in Kloster Schöntal (Baden-Württemberg) and has since been their artistic director. Many now well-known and successful young violinists have attended both events during the past 30 years since their founding.
Petru Munteanu was invited to be jury member of major international competitions, such as "Tchaikovsky", "Jampolsky" (Russia), 'Kocian "Concertino Praga" (Czech Republic), "Wieniawski " (Poland), "Bach" (Leipzig) "Enescu"; (Bucharest), "Premio Paganini" (Genoa), “Huml” (Zagreb),"Premio Lipizer" (Gorizia), "Queen Elizabeth" (Brussels), "Szigeti-Hubay" (Budapest), "Vibrarte" (Paris), “Seoul international competition”.