He went onto work for a number of major companies in a finance role, including Equitable Life, Granada TV and Medicare.
In the same year as he lived in Memphis, Deacon became an undergraduate on the BA (Hons) Public Administration degree programme in the University Glamorgan.
This was a four-year degree and he spent the sandwich year working in the European Affairs Division of the Welsh Office.
In April 2010 he was awarded a personal chair by UWIC and made his inaugural lecture on Politics and Humour in February 2011.
Deacon has also had a long period directly involved in politics specifically for the Welsh Liberal Democrats.
In 1992 and 1997 he was the agent in the Rhondda Valley, the later time for Dr Rodney Berman the ex-leader of Cardiff City Council.
[5] In 1998 he worked for a while in Westminster in support of the Welsh Liberal Democrats during the drafting of the Government of Wales Act 1998 under the late Lord Richard Livsey.
Deacon has developed his research in both contemporary politics and history and has therefore published numerous articles and books related to this.