Additionally, he has been invited as guest principal with the Berlin Philharmonic, Vienna Philharmonic Orchestra, the
Bavarian, Hamburg, Cologne, Frankfurt, and Stuttgart Radio Symphony Orchestras, the Munich, Berlin, Hamburg,
Cologne, and Düsseldorf Opera House Orchestras as well as the Mahler Chamber Orchestra.
In 1993 Han became the youngest and up to present time the only Asian professor for horn and chamber music in
Germany at age of 30. He has been professor at the University of Music Saarland until 2011. In all those years, Han
has shown great commitment to further horn education worldwide.
Next to invitations for Master Classes in the USA,
Australia, Japan, Singapore, and various countries in Europe, he has also been invited as regular guest professor at the
Central Conservatory of Music (CCOM) in Beijing and the Shanghai Conservatory of Music.
Han has shown to possess great organizational skills to promote international collaboration in classical music.
He held
the position of Artistic Director of the annual Music Festival of the CCOM from 2004 to 2010, organized the first
Chamber Music Festival in the worlds’ largest concert hall, namely the China National Center for the Performing Arts
(NCPA) in Beijing, and was consequently asked to establish a new residence orchestra at the NCPA. Having taken a
sabbatical from his position at the German Radio Philharmonic Orchestra, Han acted as the General Manager of the
China NCPA Concert Hall Orchestra from 2010 to 2012.
After the orchestra booked it's initial successes, Han
returned to Germany to continue in the position as Principal Horn of the German Radio Philharmonic Orchestra.
Since his return to the stage in Germany, Han also increased his guest performances worldwide.
He toured with the
Berlin Philharmonic in Europe and with the Royal Philharmonic in China, performed at the Surrey Hills International
Music Festival, London and with the Sydney Opera Orchestra. He furthermore gave several solo, chamber music and
orchestra performances in China, Taiwan, and Korea.
Amongst some of the recent highlights in his career, are the release of his Strauss and Mozart recordings by Oehms
Classics in 2014 and 2017 consecutively, and the 2016 invitation as the judge in the most prestigious competition for
horn, namely the ARD Competition in Munich.