Since 2011 professor at Berlin University of Arts. Master classes in Germany, France, Switzerland, Finland, Japan, South Korea and China. Juror of international piano competitons, e.g. 2018 “Concours de Genève”. Performances as soloist and chamber musician, particular commitment to new music, thereby collaboration with composers such as F. Goldmann, M. Spahlinger and A. Herrmann. Concerts tours to most of the European countries, Japan, South Korea, China and Latin America. Concerts at festivals such as Bachfest Leipzig, Ludwigsburger Schlossfestspiele, Rheingau-Musikfestival, Flaneries musicales de Reims and El Blanco y Negro. CD recordings “Pianoduo Takahashi / Lehmann (CD of the month at “Fono Forum”). Radio and TV recordings for numerous broadcast stations. Chamber music partner of S. Jaffé and A. Zemtsov. Studies in Hamburg, Lausanne and at the Berlin University of Arts with K. Hellwig.