sentences:  Pełczyński is an honorary member of the Polish academic society "Collegium Invisibile", a prestigious institution that offers tuition for outstanding Polish students.In 1990s Pełczyński was advising the Constitutional Committee of the Polish Sejm (lower chamber of the parliament), which was working on the new Constitution of the Republic of Poland.He was an advisor to the Chief of the Chancellery of the Prime Minister of Poland on government institutional reforms and was a member of Prime Minister's Council on the education of civil servants.