Kasia was born in Poland and at the age of 3 her family moved to Sweden.
When she was 10 she got accepted into the Royal Swedish Ballet School in Stockholm and graduated 8 years later.
During her years at school she was (1995 and 1997) finalist in Eurovision Competition for young dancers. She was finalist in Prix de Lausanne representing Sweden as well as winner of the Bartholine International Ballet Seminar in Kopenhagen.

After graduation Kasia joined the Royal Swedish Ballet ,Kungliga Operan, in Stockholm.
The following 10 years she danced all the major classical ballets and most modern and neoclassical works including soloist parts.
She then joined Les Ballets de Monte-Carlo as artiste cheographique with Jean- Christophe Maillot between 2007-2013.
There she was touring;
Brazil, U.S, Canada, China, Japan, Russia, South Korea, Rumania, Hong Kong, Israel, Slovenia, Slovakia, Holland, Spain, Italy, France, Belgium, Germany, Hungary, Lebanon, Switzerland and Syria.
She also joined freelance Synonyme Dance company in Monaco 2012.
Kasia then returned to Royal Swedish Ballet for another 4years until she became a mother of a boy and retired.

Next to performing at the Opera house  she also danced many pieces with the Royal Swedish Ballet at the Drottningholm Theater,where she in 2007 received the Drottningholm Award from Her Majesty Queen Silvia.
She also participated at the Nobel banquet and at the Swedish Emmys with heavy metal band Entombed.

Beside dancing, Kasia had the honor to host Dance evening at SVT with actor Svante Thurnberg and also filming a solo short movie called Historical Striptease, witch travelled at the European film festivals including Berlinale.

Kasia speaks Swedish, English, Polish and French.