During his career with Keeble and with Jolanta Bury for Poland, Zalewski competed in the final segment at four ISU Championships.
[1] He began living in England in 1991 and studied computer science at Queen Mary University of London, at undergraduate and postgraduate level.
The two placed 19th at the 1995 World Junior Championships, held in November 1994 in Budapest, Hungary, and won the silver medal at the European Youth Olympic Days in February 1995 in Andorra la Vella.
[3] In 1998, Zalewski was partnered with British ice dancer Julie Keeble by their coach, Garry Alan Hoppe, in London, England.
[4] The duo competed on the senior level, representing the United Kingdom internationally.