|President of Republic of Jailavera|
|Assumed office |
13 March 2020
|President of Veyssannia|
1st August 2020 – 12 August 2020
|President of Avatic Republic of Valdstein|
23 April 2017 – 18 June 2017
|President of Republic of Veyssannia|
23 March 2016 – 1st August 2020
|President of Socialist Federative Republic of Veyssannia|
7 November 2014 – 23 March 2016
|President of Federal Soviet Republic of Veyssannia|
7 November 2013 – 7 November 2014
|President of Pagus of Lez and Veyssannia of Communist Republic of Esperantia|
11 July 2011 – 7 November 2013
Leopold Louis Jean Deuff
|Citizenship||Jailaverian, French and European|
|Political party||Jailaverian Communist League (since 2017)|
|French Communist Party (since 2014) International Marxist Tendency (since 2017)|
Leopold Deuff (in French: Léopold Deuff; in Esperanto: Leopoldo Deuff), born 26 May 1995 in Marignane (France), is a Jailaverian politician who is the President of thr Republic of Jailavera.
*Since 2020, previously holding the position from 18 June 2017 to 11 December 2017. His Presidential term started on the 18 June 2017, which is the official date of foundation of Jailavera. However, his involvement in micronationalism goes way back to 11 July 2011 when he formed the Pagus of Lez and Veyssanna of Communist Republic of Esperantia.
Leopold Deuff is student at Aix-Marseille University in History. He is unmarried.