Grzegorz Kujawski has obtained PhD in economics, in the area of tax inspections. Since 2009 he has been a partner in Kolibski, Nikończyk, Dec & Partnerzy. Between 1997-2002 he worked as a financial director of several foreign companies in Poland. After passing a tax advisor exam in 2003, he began his work as a tax advisor in Ozog and Wspolnicy, where he headed a tax optimization department. He has also been a member of executive board of CDPROJEKT S.A. (producer of computer games, e.g. the Witcher) and a member of its audit committee. He has also been a member of executive board of HighSky Brokers a.s. (Czech Republic).

Grzegorz Kujawski is an author of Polish and foreign publications regarding income taxes and capital markets, and also tax avoidance issue.

Grzegorz Kujawski has been awarded in Tax Advisors Ranking 2012 by Dziennik Gazeta Prawna with a First Prize in area of income taxes.