Robert Weithas was born in Innsbruck (Austria). He received his education at the Ballet Academy of the Vienna State Opera and took part in courses of the Royal Ballet Summer School. Before his employment at the Vienna State Ballet in 2017, he was a member of the Juniorcompany of the Ballet Academy of the Vienna State Opera. His so far most important roles were Shadow and John in Vesna Orlićʼs »Peter Pan« and Young Man in Orlićʼs »Carmina Burana«. Moreover he performed in Thierry Malandainʼs »Cendrillon (Aschenputtel), Davide Bombanaʼs »Roméo et Juliette« and in musicals, operettas and operas at the Volksoper Vienna as well as operas at the Vienna State Opera.