|Revised Romanization||Seo Jeong-hak|
1990s and 2000s
South Korean Baritone to Perform with the Metropolitan Opera Company (1997–98).
The New York Times Dated on April 3, 1996 
He debuted with the San Francisco Operain 1993 where he was the First Asian singer to win the Schwabache Family Award.
In 1996, Seo went on to win the Metropolitan Opera Competition and enter the Metropolitan Opera Young Artist Development Program.
In 1997, he performed the title role in "Ill Barbiere di Siviglia" and other programs with the Metropolitan Opera Company.
In 1997, he entered the Operalia, The World Opera Competition and placed second.
He has performed with numerous world class opera companies besides the Metropolitan Opera, such as the Wiener Staatsoper. The Opera Company of Philadelphia, the Connecticut Grand Opra, Tulsa Opera, the Dallas Opera, The San Francisco Opera ad the Opera of the Pacific.
He studied under In-Young Lee, Marlena Malas, Renata Scotto, Robert Merill.
2000s - present
Performance in Japan
2010 June 11 "REINCARNAZIONE" Vol.3 Finale The Road To Music at Bunkamura Orchard Hall
performed with Tokyo Philharmony Orchestra, Conducted by Mr. Park Sang-Hyun
2009 July 17 Solo Concert "REINCARNAZIONE" Vol.2 l'Indicatore stradale poi l'amore at Ginza Oji Hall
2009 July 14 Solo Concert "REINCARNAZIONE" Vol.2 l'Indicatore stradale poi l'amore at Kyoto Concert Hall
2009 April 10 Solo Concert "REINCARNAZIONE" Vol.1 La Confession at Ginza Oji Hall
2009 March 6 Solo Concert "REINCARNAZIONE" Prelude Svegliando at Saloon Tezzerra
2008 March and May Gala Concert>br> 2004 December 19 "Beethoven No.9 At Tokorozawa"
Awards and distinctions
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In Japan: SEO MUSICA UNITA(Self management house) supported by WINNINGRUN MUSICA(WINNINGRUN Co., Ltd.)
Other than Korea : Produce and management by WINNINGRUN CO., Ltd. ( Dated on Dec 09 2009 )
The American Russian Youth Orchestra in Concert
Notes and references
- METROPOLITAN OPERA NATIONAL COUNCIL WINNERS See 1996 Winner Seo, Jung-Hack PDF Files 
- Seoul National University Seoul National University
- Seoul National University College of Music
- Seoul Arts Center
- The Licia Albanese-Puccini Foundation International Vocal Competition 1996 
- Romeo et Juliette Role: Paris Dated on March 28, 1998 
- Ill Barbiere di Siviglia Role: Fiorello (title role) Dated on Dec. 20, 1997 
- 1996 Met Competition.
- Serch of Jung-Hack Seo News *Online&sp-i=1
- Merola Opera 
- New York Times Search ”Jung-Hack Seo”
- SEO MUSICA UNITA: The Official Web Site Korean & Japanese.
- KBS Open concert: 
- Operalia, The World Opera Competition
- The American Russian Youth Orchestra in Concert