The Austrian Violinist Konstantin Weitz was born on January 24th, 1954. At the age of four he first longed for an own violin. After a year of private lessons he began studying at the Viennese Academy of Music (today the Viennese University of Music), taught by Josef Drevo. When he was eleven years old, he had been committed by the ORF, the Austrian National Radio and TV broadcast station) for a serial called “Musik kennt keine Grenzen” (“Music across the borders”).

During his further years of study at Thomas Christian, he won the second price in the Karajan competition with the Austrian Youth Symphonic Orchestra. At the same time his interest for popular music aroused and he performed in music groups of several styles of music: folk music – “Der Liebe und seine Leute”. Therefore he also won a prize in a music competition. To name other groups: the “Pop.Misthaufen”, “Dixieland-Jazzambassadors”, “Chicago Blues – Small Blues Charly and Dujmic”, “Rock Jazz Tonquelle” with Heribert Wagner and Fritz Pauer.

After that he acted as the principal violin of the chamber orchestra of Savonlinna in Finland. He absolved another years of study at Heimo Haitto, who amongst others was concertmaster of the Metropolitan Opera. Besides he absolved numerous performances and recordings with the Heimo Haitto camber music ensemble.
Additional studies at Nachum Ehrlich and finally at the very outstanding Violinist and teacher Sergej Kravtshenko in Moscow, who for instance was teacher of Viktoria Mullowa. He was awarded a diploma by the Sibelius Academy. He became licentiate of the Royal Academy in London.

In the following years he performed as Soloist and chamber musician, amongst others in important European concert halls, such as the House of Concert in Vienna, St John’s Smith Square in London, the Tchaikovsky - Academy of Music in Moscow and Helsinki. He gained a excellent reputation in many press media such as the The Strad, the Helsingin Sanomat, the Hufvudstadsbladet, the Wiener Zeitung, the Aargauer Tagblatt, Neutrales Turkmenistan etc.
He taught at the Academy of Helsinki and worked as head of department at the Nylands Svenska Musikläröanstalten, which is a class for gifted children in Helsinki and Espoo.

He also led master – classes for violin and chamber music at the Sibelius Academy in Helsinki, at the University of Music and drama in Vienna, at the University of Music in Anakara, the University in Gdansk (Poland) and numerous other European Universities. But not only European, but also in Caucasian and Asian Universities and Academies of Music, such as Kazakhstan, Kirghizia, Turkmenistan, Armenia etc.
In 2006 he moved back to Vienna where he is still occupationally engaged. Teaching activity at the Prayner Academy of Music and the Academy of Music in Vienna.