Mr Janusz Kowalski was Deputy Mayor of Opole in 2014–2015. Holds master’s degrees in law and administration. In 2006−2007, Mr Kowalski was an Energy Security Analyst at the Government Proxy Team for Diversification of Energy Supply Sources at the Ministry of Economy. Mr Kowalski also served as member on supervisory boards of Operator Logistyczny Paliw Płynnych, Investgas SA (PGNiG Group), Ostrołęckie Towarzystwo Budownictwa Społecznego Sp. z o.o. and Energetyka Cieplna Opolszczyzny SA of Opole.

He worked as an Energy Security Analyst at the National Security Office in 2008, and was a member of the Energy Security Team at the Chancellery of President of Poland Lech Kaczyński from October 2008 to April 2010. He co-authored ‘Lech Kaczyński. Biografia polityczna’ [Lech Kaczyński. A Political Biography]. In 2009–2014, Mr Kowalski served as Member of the Management Board of a sports marketing agency. He is also a columnist.