The Japanese baritone, Jun, Hagiwara, studied at the Tokyo National University of Fine Arts and Music (vocal graduated); The Graduate School of vocal music department completed. Nikikai Opera Studio 41 stage completion. Wins Excellence Award at the time of completion. 2003 fiscal Gotoh Memorial Foundation Opera rookie award.
At the Nikikai opera, Jun Hagiwara appeared in such roles as Guglielmo W.A. Mozart's Cosi fan tutte, Papageno in Die Zauberflöte, Schaunard in La bohème, Almaviva in Le nozze di Figaro, etc. The Agency for Cultural Affairs dispatched artist overseas trainees, through Gotoh Memorial Foundation scholarship, he was sent to Berlin. He studied at the Hochschule für Musik Hanns Eisler Berlin graduating in 2000, and in 2003 passed the conzert-exams with the best results.
In July 2000, Jun Hagiwara appeared at the Festival Kammeroper Schloss Rheinsberg in Germany. He was selected from among 500 people to appear as Figaro in Il barbiere di Siviglia, and has been acclaimed by the media newspapers "was fascinated visitors with representation rich performance," "Japanese with a brilliant voice." In October, he appeared in the role of Ariodate in Xerxes by George Frideric Handel at the Brandenburg Theater, together with Elisabeth von Magnus. He appeared in the gala concert in February 2001 in Berlin with the Berlin State Opera Orchestra conducted by Ralph Reuters, and was well received. In 2001, he also continued to appear as in the previous year at the Festival Kammeroper Schloss Rheinsberg, and sang the role of Albert in Werther by Massenet, sang in a concert format at Baden-Baden and Rheinsberg in June. In Serbia and Montenegro he sang in February 2003, Gustav Mahler's Lieder eines fahrenden Gesellen and Rückert Lieder with Belgrade Ensemble Orchestra. In January 2005 in Heidelberg he sang the role of Falke in the operetta Die Fledermaus, and continue to be active in various regions of Europe at the center of Germany.
In July-August 2002 in Japan, on Nikikai 50th Anniversary, Jun Hagiwara performed the major role of Sixtus Beckmesser in Die Meistersinger von Nürnberg. Then, in December he appeard at the New National Theatre Nikikai as Harlequin in Ariadne auf Naxos. In September 2004 he performed the craftsmen role in Alban Berg's Wozzeck at the Saito Kinen Festival in Matsumoto. In a recent March Nikikai the New National Theater co-operation performance of Die Zauberflöte, 2005 (Jissoji Akio production), as well, which was greatly excite the audience in the role of Papageno. With the Bach Collegium Japan conducted by Masaaki Suzuki in appeared in October in the opera Julius Caesar, and in February 2006 he appeared in the role of Schaunard in Nikikai performance of La bohème, his stable singing got a high reputation. In addition, a number of concerts from 1994 as a member of the Bach Collegium Japan (Director: Masaaki Suzuki), participating in the concert tours and recordings. Recently, he got a good reputation as the Count in Le nozze di Figaro with Amon Miyamoto directing Nikikai Tokyo in September 2006. He gained again starring popular in the role of Papageno in Die Zauberflöte in Tokyo Nikikai performance in 2007. He has gained a very high reputation in Nikikai Tokyo 2008 as Harlequin in Ariadne auf Naxos, and the New National Theatre performance of Turandot. In October and November 2009, he appeared at the New National Theatre in Die Zauberflöte.
In March 2010, at Biwako Hall Kanagawa Prefectural Hall with the Tokyo Nikikai, Jun Hagiwara sang the role of Schaunard in La bohème. In October 2010, he appeared as Count Waldner in the New National Theatre Arabella (new production). In 2012 the New National Theatre as Schaunard in La bohème, etc. In November 2012, Nissay Theatre doors open 50 Anniversary with him as the Count in Le nozze di Figaror; in February 2013, he appeared in Nikikai Tokyo as Eisenstein Die Fledermaus (new production), etc. In April 2013, he continued to more success, such as Papageno in Die Zauberflöte at the New National Theatre. He is is also active in concerts such as Orff's Carmina Buranaand L.v. Beethoven's Symphony No. 9. He is a Nikikai member.