Advocate, founder, currently the Managing Partner. Specialising in labour law for over 20 years. He has been advising the biggest international and Polish companies. In 1993-1995 he was an assistant in the Department of Labour Law of Jagiellonian University. Lawyer and later on, a partner at Sołtysiński Kawecki & Szlęzak – 1995-2007. He is the author of many scientific and popularizing articles in specialist periodicals and newspapers. Since 2017 Chairman of European Employment Lawyers Association, and since 2008 the member of its Board. Since 2016 Chair of Employment Committee of the Warsaw Bar. Since 2009 member of the editorial board of Monitor Prawa Pracy (Employment Law Monitor). In 2014-2017 member of Steering Committee of International Forum on Employment Law. The founder and, in the years 2013-2015, Chair of the Employment Law Association (Stowarzyszenie Prawa Pracy). Member of International Bar Association, as well as American Immigration Lawyers Association. During studies he was Vice-President of the International Board of European Law Students Association (ELSA), and President of the ELSA Cracow. From many years he has been mentioned as a leader in labour law by all renowned Polish and international publications such as Chambers&Partners, Legal500, Rzeczpospolita.