Jon has served in South Wales Police since 1995, performing a variety of roles at all ranks. 

He has undertaken a number of secondments including the Policing Bureaucracy Taskforce in 2002 and Single Non-Emergency Number Programme in the Home Office between 2005 and 2008.

In December 2014, Jon was promoted to Chief Superintendent within Corporate Services, which included overall responsibility for the functions of Executive Support, Change and Programme Management, Audit and Inspections, Collaboration and Performance Management. Jon was also the lead for the Gwent and South Wales technology programme, Fusion.

In 2016 Jon was appointed a Gold Commander for the largest sporting event in the world, the 2017 UEFA Champions League final. He is an accredited and experienced Gold and Silver Public Order Commander. 

In December 2017, Jon was temporarily promoted to Assistant Chief Constable in South Wales Police for Operational Support Services, which includes responsibility for Specialist Operations, including the Public Service Centre, Criminal Justice, Information Management and Information & Communication Technology.

In November 2018, Jon was successful in gaining a place on the College of Policing Strategic Command Course 2019 and graduated in March 2019. 

Jon has a Doctorate in Policing, Security and Community Safety from London Metropolitan University. Jon is also an Advisory Board Member to the Swansea institute for Ethics and Law.

Jon joined Gwent Police in the role of Assistant Chief Constable in April 2019.

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