Karin Lechner was born in Buenos Aires, Argentina. She spent most of her youth in Caracas, Venezuela, where she began her musical studies with her mother, Lyl Tiempo. She made her first public appearance at the age of five, and her debut with orchestra when she was 11. She moved to Europe and continued her piano studies with Maria Curcio and Pierre Sancan and also received musical advise from Martha Argerich, Nelson Freire, Daniel Barenboim, Nikita Magaloff and Rafael Orozco. At the age of 13 Karin Lechner performed in Washington and during the same season she appeared at the opening concert of the Holland Festival in the Concertgebouw with the Amsterdam Philharmonic.

Since then she undertook an active international career playing in Austria, Belgium, France, Germany, Italy, the Netherlands, Norway, Spain, Sweden and Switzerland, as well as frequent appearances in the USA, Argentina, Brazil, Uruguay, Venezuela,Mexico and Japan. Karin Lechner has performed in major concert halls all over the world, including Kennedy Center in Washington, Concertgebouw in Amsterdam, Philharmonie in Berlin, Suntory Hall in Tokyo or Teatro Colon in Buenos Aires and she participates in important international festivals such as Menton, Toulouse, Montpellier, Colorado, Verbier, Lugano,Pietrasanta and Schlesswig-Holstein.

Karin Lechner has collaborated with other distinguished artists in chamber music performances such as Martha Argerich,Mischa Maisky, Janos Starker, Barbara Hendricks, Viktoria Mullova, and she regularly performs two-piano music with her brother, Sergio Tiempo, with whom she forms a permanent duo and has recorded sevaral CD’s. She is also a member of the Carlo Van Neste Trio with the violinist Maya Levy and the cellist Alexandre Debrus.

Karin made her first record at the age of 13, for EMI, with works by Bach, Schumann and Chopin. When she was 15 she recorded for CBS the Beethoven first piano concerto and Mozart K. 467 and later a recital including works by Beethoven, Schumann and Ravel.

She recorded Mozart piano concertos K. 413, 414 and 415 in a CD with the Franciscan Quartet and two more CD’s with the Berliner Symphoniker playing Brahms piano concertos no 1 and no 2.

Karin made her debut as a conductor in London St' John's Smith Square. her daughter Natasha Binder being the 9 year old soloist. Subsequently they once again collaborated  in Mozart Concerto in Brussels. In 2013 she was  invited to Caracas to conduct Debussy,Ravel and Liszt with her daughter and the Teresa Carreño Orchestra.