Temporary Chief Constable Emma Barnett

As of June 2021, Emma is Temporary Chief Constable, responsible for the direction and control of Staffordshire Police.

Emma became a police officer in 1993 when she joined West Midlands Police after obtaining a degree in Geography from the University of Oxford. In 2005, Emma achieved an MSc in HR and Business from Aston Business School. During her career with West Midlands Police Emma undertook a range of roles within local policing plus Staff Officer, Senior Investigating Officer, leading the Force Change Programme and finally as Chief Superintendent led one of the largest policing units in the country, Birmingham West & Central.

After completing the Strategic Command Course in 2016, Emma was promoted to the rank of Assistant Chief Constable here at Staffordshire Police. She had responsibility for the Investigations Directorate including Serious & Organised Crime, Counter Terrorism, CID, Major and Specialist investigations and Forensics, and also the Operational Support Directorate which includes Intelligence and Knowledge Hub, Criminal Justice and Operations.

Emma is a Strategic Firearms Commander and Gold Public Order Commander and has led the force response to moving to critical status after terrorist attacks in 2017, as well as to the Covid 19 pandemic. She is a strong supporter of women in policing which was formally recognised whilst in West Midlands Police and continues with her support to the Staffordshire Association of Women in Policing.

Emma is also the NPCC lead for Victims and Witnesses, writing the national strategy in 2019.


Assistant Chief Constable Justin Bibby

Justin started his policing career with Cumbria Constabulary and progressed through the ranks undertaking a number of roles including as an area commander and as temporary Assistant Chief Constable for Operations, and Crime and Safeguarding. He was the constabulary lead for victims and witnesses and diversity, equality and inclusion.

He is an experienced strategic commander across firearms, CBRN(E) and public order/public safety. He also has extensive experience managing major and critical incidents and is a qualified Multi-Agency Gold Incident Commander.

He completed the national Strategic Command Course in March 2020 and joined Staffordshire Police on 3 August 2020.


Assistant Chief Constable Jennifer Mattinson

Jennie Mattinson has had a career in policing for 20 years, starting in June 2001 as a Police Constable in West Mercia police. In her early career she spent time within response, neighbourhood and CID. In 2009 Jennie successfully gained a place on the High Potential Development Scheme and has since completed an MSc in Police Leadership and Management. In March 2018 Jennie joined Staffordshire Police as a Superintendent.

She is an experienced Strategic Firearms Commander and CBRN Gold commander. Jennie was made temporary ACC in September 2021 where she leads the force in Neighbourhoods and Partnerships and Contact and Response.


Simon Tweats

Simon Tweats started his career in the force in April 1992 as a constable in Newcastle-Under-Lyme. Simon has worked across several directorates and implemented change programmes before becoming Chief Superintendent in 2016. He was made temporary ACC in June 2021 where he leads the force in Investigative Services and Operational Support.


Director of People and Resources Justine Kenny

Justine joined the Force in October 2017 and leads the directorate of People and Resources:

  • People and organisational development
  • Finance and commercial services
  • IT & Technology
  • Estates
  • Transport

Justine began her career in HR in the NHS, and worked in a range of different NHS trusts in the Midlands, Warwickshire, and the South West. When she left the NHS, she was the Deputy Director of Human Resources at Gloucestershire Royal NHS Trust and had acted up into the Director role in the run up to the merger of the two acute trusts in the area.

She then moved on to join the leadership teams of two start-up organisations - firstly as HR Director of a Non-Departmental Public Body sponsored by the Department of Health, and then as Director of People and Organisational Development at the Gambling Commission. Having stayed there through its start-up and into steady state she moved onto a number of interim roles, focussing largely on change and transformation. She spent two years at Ofwat leading a number of functions including ICT and HR, then moved to the Equality and Human Rights Commission as Director of People and Finance, and then to the Big Lottery Fund as a Reward Consultant.