Krzysztof Cwalina

Krzysztof Cwalina (born February 5, 1971, in Wrocław, Dolnośląskie) is a retired male freestyle swimmer from Poland. He competed for his native country at the 1992 Summer Olympics in Barcelona, Spain, finishing in eighteenth place in the men's fifty-meter freestyle event.
As of 2012 he is a Program Manager on the Common Language Runtime team at Microsoft Corporation. Krzysztof graduated with a B.S. and an M.S. in computer science from the University of Iowa. He is co-author with Brad Abrams of Framework Design Guidelines (Addison-Wesley, 2005; 2nd 2008, ISBN 978-0321545619), winner of a Jolt Award in 2006.