section_path: Early career
section_name: Early career
paragraph_text: Early career
  
  He worked at the Institute of National Remembrance in the years 2009–2017, heading its Branch Public Education Office in Gdańsk from 2013 to 2017. He also served as the chairman of the Siedlce District Council in Gdańsk between 2011 and 2017.
  
  In 2017, he was appointed the director of the Museum of the Second World War in Gdańsk, a job he held until 2021. He then returned to the Institute of National Remembrance, becoming its deputy president in June 2021. In July 2021, he took office as the head of the Institute of National Remembrance after being elected by the Sejm and approved by the Senate of Poland. Nawrocki is the author or co-author of several books as well as numerous scientific and popular science papers on anticommunist opposition, organised crime in the Polish People's Republic and the history of sports.
  
  Nawrocki has used the pen name "Tadeusz Batyr" to write a book about a gangster living in 1980s communist Poland. Nawrocki in 2018 went on television as Tadeusz Batyr, wearing a hat and having the television broadcast blur his face, where he said that Nawrocki "inspired me" and highlighted how Nawrocki "was the first person to examine organised crime in communist Poland". Meanwhile, on social media, Nawrocki wrote that "Tadeusz Batyr contacted me for some guidance" and "thanked me for my help with an interesting book, which I recommend".