Klaus Dąbrowski received the first three degrees of initiation in the Grand Orient of Poland (Grand Lodge created in 1784).
For many years he has been one of the best known Freemasons in Poland.
Since 2005, he has been a member of the Universal League of Freemasons (U.L.F.) bringing “regular” and “liberal” Freemasons closer together. Since 2006, he has been one of the editors of the biggest Polish web portals dedicated to Freemasonry – “wolnomularstwo.pl”. Since 2018, he has headed https://freemasonry.network – one of the world’s largest sites dedicated to the present of worldwide Freemasonry.
He was elevated to the 33° – the highest Ancient and Accepted Scottish Rite degree – by the Grand Lodge of Italy of the A.F. & A.M. (Palazzo Vitelleschi) in 2010, and currently holds the office of Sovereign Grand Commander of the Supreme Council of Poland.