|Bishop, Diocese of Hradec Králové|
|Ordination||28 May 1989|
|Consecration||7 May 2011|
25 September 1958 |
Hlinsko, Czechoslovakia (Present day Czech Republic)
|Motto||Sub tuum præsidium|
|Coat of arms|
|Reference style||The Most Reverend|
|Spoken style||Your Excellency|
|Posthumous style||not applicable|
Vokal was born in 1958 at Hlinsko (Hradec Kralove). He earned a degree in Engineering Cybernetics at the Technical University in Prague. In 1983 he was admitted to the College of Saint John Nepomuk in Rome and studied philosophy and theology at the Pontifical Lateran University.
He was ordained a priest 28 May 1989 for the diocese of Hradec Králové. He continued his education in the United States at St. Thomas University and worked as assistant priest in the Diocese of Peoria. In 1991 he began his service at the Secretariat of State (Section for General Affairs). From 1992 to 2005 he was personal secretary of Cardinal Corrado Bafile, Prefect of the Congregation for the Causes of Saints.
In 2008 he obtained a doctorate in utroque iure, i.e. in both civil and canon law, from the Pontifical Lateran University and in the following year a doctorate in civil law at the Charles University in Prague. In 2005 he was appointed a coadjutor canon of the Chapter of the Basilica di Santa Maria Maggiore.