Since 1961 he has been teaching at the Katowice Academy of Music. He was appointed professor in 1990. In 1972-96 and 2003-2005 he ran the Academy's chair of piano. In 1979-82 he conducted the piano class at the Hochschule für Musik in Stuttgart. He has also lectured at the Mozarteum Summer Academy for Music in Salzburg and conducted piano courses at the Incontri col Maestro in Imola, Italy, as well as in France, Holland, Germany, Austria, Japan, the United States, South America (Uruguay, Brasil, Argentina), South Africa, and elsewhere. He has educated a number of concerting pianists - winners of prizes at domestic as well as foreign competitions, notably Krystian Zimerman (whose victory in the Chopin Competition in 1975 gained Jasiński international recognition), Jerzy Sterczyński, Wojciech Kocyan, Krzysztof Jabłoński, Joanna Domańska, Zbigniew Raubo, Regina Strokosz-Michalak, Rafał Łuszczewski, Magdalena Lisak, Beata Bilińska, Anna Górecka, and Robert Marat.
Jasiński has sat on the juries of international piano competitions in Warsaw (The Chopin Competition in 1975, 1980, 1985, 1990, 1995, 2015 as a member, in 2000, 2005, and in 2010 as chairman), Bolzano (Ferruccio Busoni International Piano Competition), Brussels (Queen Elisabeth Competition), Budapest, Cagliari, Dublin, Fort Worth (Van Cliburn International Piano Competition), Leeds, Marrakesh, Munich, Monterrey, Moscow (International Tchaikovsky Competition), Miami, Paris, Beijing, Pretoria, Seoul, Terni, Tokyo, Tel Aviv, and Vercelli.
He has been honoured with many awards, including the Knight’s Cross of the Order of Polonia Restituta (1975), the Medal of the Commission of National Education (2002), the Commander’s Cross of Polonia Restituta (2005), the Gloria Artis Golden Medal for Merit to Culture (2005), and the Annual Award of the Minister of Culture and National Heritage (2019). Due to his links to Katowice and Silesia since the 1960s, he received numerous awards from local institutions and authorities (including the Award of the President of the City of Katowice, Walenty Roździeński Award, Silesian Juliusz Ligoń Prize, Karol Miarka Award, Lux ex Silesia Award). From 2005 to 2014, he was a member of the Programme Board of the Fryderyk Chopin Institute. He received three honorary doctorates: in 2006 from the Senate of the Katowice Academy of Music, in 2007 from the Senate of the Fryderyk Chopin University of Music in Warsaw, and in 2015 from the Lviv National Music Academy.
Originally written in Polish by Małgorzata Kosińska, Polish Music Information Center, October 2006; updated by MG, June 2019.