Šitler was born on December 22, 1964, in the statutory city of Hradec Králové, located in north-eastern Bohemia at the confluence of the Elbe and the Orlice rivers.
When he is not on a diplomatic mission and on home leave, he lives with his wife Gabriela Irina, their daughter Alexandra and their son Jan Adam in Všestary, a municipality and village about seven kilometres to the west of Hradec Králové.
[7][8] After graduating from Charles University, Šitler started his professional career at the Central Archives of the Academy of Sciences (September 1988 – January 1992).
[11] Between March 2015 and January 2016 he was designated by the Ministry of Foreign Affairs of the Czech Republic as Special Envoy for Holocaust Issues and Combat of Antisemitism.
He has dealt with World War II-related issues since the 1990s, having served in such offices as press and foreign policy advisor to President Václav Havel (1993–1997), head of the Czech delegation at the 1998 Washington Conference on Holocaust Era Assets, observer in the International Commission on Holocaust Era Insurance Claims, Ambassador-at-Large for World War II - related issues, and chief negotiator for compensation of Czech Nazi victims.