„Highly promising and very much worth listening, his solos are true gems.“ (Andreas Polte – Archtop Germany, Dec 2008)

2017 - Present
Professor of guitar, ensemble & performance | Berlin School of Popular Arts, SRH Berlin University of Applied Sciences

2014 - 2016
lecturer of guitar/jazzguitar | Jazz-Institut Berlin

2014 - 2015
Principal guitarist | Theater des Westens Berlin

2012 - Present
Lecturer of guitar/jazzguitar | HFM Hanns Eisler Berlin

2009
Dipl. Instrumentalist/Instrumental teacher | HFM Hochschule für Musik Hanns Eisler Berlin, Jazz Institut Berlin

2008 - Present
Leader & composer | Robert Keßler Group, Robert Keßler Trio, Klezmeyers, Spell and String & Oscars Delightt

2002 - Present
Freelance guitarist, composer, bandleader, sideman/studio guitarist in Jazz, Pop, Worldmusic, Rock, Soul,… with CD and studio productions, on tour, festivals and concerts worldwide with own projects and with national and international acts

2008
debut album „Jasmin“ being nominated „album of the year“ by Archtop Germany

2009
„Brilliant instrumentalist!“ (Gitarre und Bass, Jul 2009)