From 1993 to 1999 Patrik Ringborg worked as a staff conductor at Freiburg's Opera House, being promoted to Deputy Music Director in 1997. From 1997 to 2003 he conducted at the Aalto-Theater in Essen, where in 1999 he was appointed Principal Conductor and conducted more than 20 operas. After Mr. Ringborg's first year in Essen critics named him "Season's best conductor" together with John Fiore and Essen's music director Stefan Soltesz ("Neues Rheinland", August 2000). He was the Artistic Director of the German Kurt Weill Festival 2000.
Until July 2007 Patrik Ringborg was Chief Conductor at the Opera House in Freiburg (notable productions being The Rhine Gold and Elektra).

Patrik Ringborg is currently General Music Director at the State Theatre in Kassel and chief conductor of its State Orchestra - founded in 1502, it is one of the world's oldest orchestras. Principal conductors in the 19th century were Louis Spohr and Gustav Mahler and in more modern times Christoph von Dohnányi, Gerd Albrecht, Woldemar Nelsons, and Ádám Fischer.
Notable premi¸res have been Salome, The Flying Dutchman, Dialogues de Carmélites and in the current season Manon Lescaut and The Mastersingers of Nuremberg. Next season will include a new production of Lohengrin.
Mr. Ringborg is also President of the Orchestra Academy in Kassel and Artistic Director of the "Gustav-Mahler-Festtage".

Patrik Ringborg is one of Sweden's most prolific conductors with around 75 conducted operas and a vast concert repertory. He has been engaged as a guest conductor by orchestras such as the Sächsische Staatskapelle Dresden, the Orchestra of Deutsche Oper Berlin, the Munich Radio Orchestra, Deutsche Kammerphilharmonie Bremen, the Staatskapelle in Weimar, the Frankfurt Radio Symphony Orchesta, the WDR Symphony Orchestra in Cologne, the Gürzenich Orchestra, the Robert-Schumann-Philharmonie in Chemnitz, the Stuttgart Philharmonic, the Munich Symphony and the Bremen State Orchestra. Outside Germany he has worked with all the larger Swedish orchestras and has also conducted concerts in Austria, France, Hungary, Ireland, Italy, Norway, and Spain.

Patrik Ringborg made his debut at Gothenburg Opera in 1998 with Tannhäuser and subsequently conducted all Wagner productions there until 2006. Having been appointed Principal Guest Conductor and conducting Lohengrin in the year 2000, he conducted the acclaimed première of Tristan und Isolde in 2003, after which the Orchestra of the Gothenburg Opera was awarded the newspaper Svenska Dagbladet's Opera Prize and Patrik Ringborg was nominated for the Opera Prize founded by Tidskriften Opera. In the subsequent season he conducted a production of Die Walküre.

In 2004 Patrik Ringborg conducted concert performances of Werther at the Deutsches Nationaltheater Weimar, being invited to return for a production of Lady Macbeth of Mtsensk in 2006. Two years later he returned to Weimar again to conduct a production of Tosca.
He was a guest conductor at the Staatsoper Dresden (Nabucco), at the Volksoper in Vienna and at the Deutsche Oper Berlin, where he most recently conducted a revival of Manon Lescaut.

At the 2008 Nobel Prize Award Ceremony Maestro Ringborg conducted the Royal Stockholm Philharmonic Orchestra. In May 2009 he made his debut at the Norwegian National Opera with a première of Elektra and in February 2010 his debut at the Opera House in Cologne with Der Rosenkavalier (including Dame Kiri te Kanawa's farewell performances in April). This summer Mr. Ringborg will yet again lead performances of Elektra, this time conducting the Stockholm Royal Opera at the Opera Festival in Savonlinna.