His political science graduation paper was titled "Historical development of Saudi-American relations from the beginning to the JFK era.

"[citation needed] Kmoníček started his diplomatic career in 1995 as a desk officer at the Middle East Department of the Ministry of Foreign Affairs.

[6] His next promotion came in June 1999, when he was named Deputy Minister,[6] with responsibility for Czech bilateral relations with all non-EU countries.

[4] He was considered to be a key figure within the Zeman administration, advising the president on Middle Eastern, Asian and American affairs.

[14] In a profile in August 2018 for CBS News, his house in Washington DC was shown to be decorated with trophies from various animals he had killed around the world as part of his diplomatic activities.

[12] In 2015, a Czech scientist who discovered a new species of beetle named it after Kmoníček as a token of a gratitude for assistance he had provided as ambassador.