Benjamin Moser came to international attention in June 2007 as a prizewinner in the prestigious Tchaikovsky competition in Moscow, in which he received the prize for the best interpretation of Tchaikovsky, as well as the audience prize. In January of that year he also won first prize in the International Young Concert Artists Auditions in New York, as well as eight additional special prizes and recitals in, among other venues, Paris (Gulbenkian Centre), Washington (Kennedy Centre) and New York (Carnegie Zankel Recital Hall).

Since then, Benjamin has performed regularly, both in solo recital, and as soloist with orchestra. These performances include the Tchaikvsky concerto at the Dubrovnik Festival, concertos by Chopin, Schumann, Brahms, Liszt and Tchaikovsky in the Munich Herkulesaal and in the Alte Oper Frankfurt with the Munich Symphony Orchestra. He performed Rachmaninov's Paganini Variations with the London Philharmonic Orchestra. He played Chopin's Piano Concerto No. 2 with the Nordwestdeutsche Philharmonie under Andris Nelsons. He has also played this concerto in the Tonhalle Zurich, with the Polish Chamber Philharmonic with conductor Wojciech Rajski, and for the Marienbad Chopin Festival. In addition, he has played concertos by Mozart, Beethoven, Chopin, Schumann, Liszt, Grieg and Rachmaninov and recitals with works by Bach through to contemporary composers throughout the US and in Argentina, Germany, England, Italy, Austria and Switzerland.

As guest performer, Benjamin Moser has been invited to many important festivals, including the Bodensee Festival, the Alpenklassik Festival, the Lucerne Festival, the Klavierfestival Ruhr (to which he was reinvited six times), and to the YCA chamber music festival in Tokyo and Beijing. 

Concerts in 2015 included 6 Mozart concertos in Japan, the Mozart double concerto with the MDR Radio Orchestra and several others. In March 2016 he played his solo debut recital at the London Wigmore Hall. He also enjoys playing chamber music. He has played several concerts with various ensembles, collaborating with highly-regarded soloists such as Nicolas Altstaedt, Julian Steckel and his brother, Johannes Moser. 

In 2009 Benjamin made his debut recording with a CD of Russian piano music (with works by Tchaikovsky, Rachmaninov, Scriabin, Medtner and Prokofiev) with Munich-based label OehmsClassics, to critical acclaim. His second CD with French piano music by Debussy and Ravel was released in 2012, again through OehmsClassics and received excellent reviews. His third album with the final sonatas of Beethoven and Schubert was released in spring 2015 under the AvI Classics label and received rave reviews (among them the Supersonic Award by Pizzicato magazine). His newest CD with works by Gershwin, Wild and Mussorgskij was released in May 2019. 

He recorded Rachmaninov's Piano Concerto No. 3 with the Bamberg Symphony for the Bavarian radio. Many of his concerts have been recorded by radio stations, by the BR, SWR, RBB, Deutschlandfunk, Radio WQXR New York among others.

The young pianist, born in 1981 in Munich, hails from a family of musicians. He commenced his studies as a teenager at the Hochschule für Musik und Theater Munich with Professor Michael Schäfer, before continuing with Professor Klaus Hellwig at the Universität der Künste Berlin.He was also greatly inspired by his work with Dimitry Bashkirov, Fu Tsong, Stanislav Ioudenitch and since 2012 Alfred Brendel in London. During his studies in Berlin he won first prize in the Artur-Schnabel piano competition in Berlin and in 2003 he was a recipient of the Studienstiftung des Deutschen Volkes' scholarship. In 2005 he received the Steinway Prize Berlin. He was also a recipient of scholarships from the Deutsche Stiftung Musikleben and the Deutsche Musikrat. 

Since 2019 Benjamin is teaching his own piano class as a professor at the Hochschule für Musik in Lucerne.