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Our management team, including our leadership team, ensures the smooth and effective running of CTSI.


John  Herriman

John Herriman, Chief Executive

John has a background working across various sectors, ranging from commercial through to local government and from the Armed Forces to not-for-profit organisations. A career spanning 35 years has given him an incredible diversity of perspectives on how different sectors operate and how they can work together successfully.

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Duncan Stephenson

Duncan Stephenson, Policy and External Affairs Director

Duncan joined CTSI in April 2022. He has overall responsibility for the Institute’s policy, campaigning and communications activities.

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Phil Owen

Phil Owen, Service Delivery Director

Phil is a committed and passionate trading standards professional, that has worked in the trading standards profession for 25 years - as a practitioner and manager in local government, a policy and programme director in central government and for the past 15 years has led a variety of management and leadership roles at CTSI.

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Andy Allen

Andy Allen, Contact & Advice Centre Manager

Andy entered the trading standards service with Cornwall County Council in 1998, spending 6 years in a variety of roles including consumer advice, business support and food enforcement activities.

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Jacqui  Guerreiro

Jacqui Guerreiro, Head of Membership and Governance

After obtaining a Diploma for Secretarial Linguists, Jacqui worked for a London buying office for international department stores and then an English language school.

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Paul Gordon

Paul Gordon, Head of IT

Paul has worked at CTSI since November 1997, having previously been employed as an Analyst Programmer at Essex County Council.

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Sue Steward

Sue Steward, Head of Education & Training

Sue is Head of Education & Training at CTSI, she has worked for the Institute for 3 years, having originally been taken on to drive forward the Qualification Review.

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Alastair Taylor

Alastair Taylor, Finance Manager

Alastair joined CTSI as the Finance Manager in January 2023.

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Louise Savage

Louise Savage, Codes & ADR Manager

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1 Sylvan Court Sylvan Way, Southfields Business Park, Basildon, Essex, SS15 6TH.
Company no. RC000879

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