- 1979 Received a one year scholarship from The Ministry of Culture, Poland, to study
- at the school of Fine Art in Kiev
- 1980-84 The Academy of Fine Arts, Warsaw
- 1986 Valand, Göteborg, Sweden
- 1984 Gallery Vanha, Helsinki, Finland
- 1988/89 101 Wooster: Dolgenos, Newman & Cronin Exhibition Space, New York,
- 1991 Polish Cultural Institute, Stockholm, Sweden
- 1993 Critics’ Gallery ”Pokaz”, Warsaw, Poland
- 1994 Gallery Hera, Stockholm, Sweden
- 1997 Gallery Manége, Moscow, Russia
- 1999 Gallery Hera, Stockholm, Sweden
- 2002 Polish Cultural Institute, Stockholm, Sweden.
- 2002 Stockholm Art Fair, Sweden
- 2023 Galleri Hera, Stockholm
- Since 1996 represented by galleries in San Francisco and New York and Galleri Hera in Stockholm. Art Fairs and group exhibitions.
- In the last decade, Piotr has worked as a master teacher of painting and creative workshop for children.
- Piotr Krosny was the recipient of an award from the Warsaw Academy for his outstanding achievements in graphics and painting.
His work was also awarded a Certificate of Excellence at the International Art Competition of New York 1988.