Meet the Team
Jamie Mills
T/Detective Chief Inspector
Jamie joined the ECCA to take up post as the Head of Academy in November 2025.
Before joining the academy Jamie undertook roles in the National Fraud Intelligence Bureau as Prevention and Disruption manager and latterly as the acting head of Prevention services. During his 4 years in the NFIB Jamie led a number of fraud and cybercrime prevention initiatives, from building a strong and dedicated team disrupting websites and other enablers of fraud, to implementing new cryptocurrency investigations capabilities to track and trace stolen victim funds. Jamie also played a significant part in supporting the design, development and implementation of the new Report Fraud service.
Prior to joining City of London police in 2021, Jamie served 17 years in Essex police, where his last role was as a Detective Inspector in charge of Domestic Abuse investigation teams. As part of this role Jamie was responsible for increasing capability to support victims by introducing domestic abuse problem solving teams across the county.
Passionate about learning and continuous professional development, Jamie has recently studied for a post graduate diploma in Applied Senior leadership, achieving a distinction.
Kerrie Gibbs
Head of Business Delivery
Kerrie joined the Academy in 2018 as Head of Business Delivery. She manages the Development Team and is also responsible for all the Academy finances.
Kerrie joined the City of London Police in 2014 and prior to joining the Academy she worked as Executive Assistant to the Head of the Economic Crime Directorate and also enjoyed a secondment to Action Fraud.
Lee Nelson
T/Detective Inspector - Training Manager
Lee joined the Economic and Cyber Crime Academy in September 2025 to take up the post of Training Manager.
Lee began his policing career with Essex Police in uniformed roles, quickly developing a strong interest in investigative work. After moving into CID, he progressed to Major Investigation Teams, gaining experience in the investigation and management of serious and complex crime.
In 2014, Lee transferred to the City of London Police, specialising in fraud investigation. He spent eight years as a Detective Sergeant on a fraud team, leading complex financial investigations and undertaking extended periods of temporary promotion. During this time, he developed a strong focus on structured investigations, effective case management and disclosure.
Lee’s knowledge of HOLMES led to key roles supporting mass fatality and terrorism-related incidents through casualty bureau operations, including involvement in London’s policing response to the COVID-19 pandemic.
In 2022, Lee moved into the Major Incident Room during a period of significant change, playing a central role in developing the team and delivering HOLMES and casualty bureau training in partnership with volunteer organisations, including First Aid Nursing Yeomanry.
Lee’s passion for training continued to grow and was further strengthened during a secondment to Police Now in 2025, where he led the City of London Police detective cohort through their initial academy training.
In his current role, Lee is committed to developing confident and capable investigators, translating operational experience into practical, structured training that supports effective investigations.
Fiona Shields
Head of Quality Assurance
& Training Manager
Fiona joined the ECCA in 2019 as a course designer utilising her teaching and training experience to support the Academy in updating and designing courses using adult learning theory. Since then she has been key to the introduction of new courses for the National Fraud Intelligence Bureau and in Victim Care as well as implementing the Professional Training Pathway for Fraud Investigators and gaining approved centre status for the Academy with Skills for Justice Awards.
Fiona joined City of London Police as a Victim Care Reviewer in the National Economic Crime Victim Care Unit where she supported vulnerable victims of fraud. Memorably she was able to arrange appropriate support for one elderly, suicidal victim to manage his mental health and even to get his £300,000 loss reimbursed.
Fiona has over 20 years experience in teaching English to speakers of other languages and as a foreign language both in the UK and abroad, training teachers and colleagues and managing teams in the not for profit sector. She is a qualified Dyslexia Workplace Assessor and supports colleagues with dyslexia to succeed in the workplace.



