Viacheslav Dzhun was born in 1952 in Dnipropetrovsk.
He began to work in 1970. He served a regular term in the army.
In 1979 he graduated from the Law Faculty of Kyiv Taras Shevchenko State University and worked as a public notary, legal adviser at Kyiv research and experiment plant of non-standard equipment.
In 1990-1992 he held the offices of assistant to Chief State Arbitrator of the Ukrainian SSR, Head of the Department of State Arbitration of the Ukrainian SSR.
From 1992 – arbitrator, judge of the Supreme Court of Arbitration of Ukraine.
2001-2006 - Judge of the Supreme Economic Court of Ukraine.
In November 2005 he was appointed Judge of the Constitutional Court of Ukraine by the Seventh Congress of Judges of Ukraine. He swore the oath on August 4, 2006.
Doctor of Legal Sciences.
Distinguished Lawyer of Ukraine.
Viacheslav Dzhun terminated his authorities of a Judge of the Constitutional Court of Ukraine.