CTSI Management

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Our talented management team - including the Senior Leadership Team - ensures the smooth and effective running of CTSI. They are drawn from a variety of backgrounds - but all share a deep commitment to consumer protection and CTSI's very specific aims and objectives.

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.

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.

Duncan Stephenson, Policy and External Affairs Director

Duncan has overall responsibility for CTSI’s policy, campaigning and communications activities. With more than 25 years' experience, he has achieved considerable success in his field - having led the policy, campaigns and communications for two national, member-based charities.

Jacqui Guerreiro, Head of Governance/Interim Corporate Services Director

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

Lina Paulauskyte, Financial Controller

Lina joined CTSI in January 2024. Originally obtaining a law degree in Lithuania, Lina extended her studies in Denmark, and got re-qualified in finance in London.

Jessica Merryfield, Head of Policy and Campaigns

Jess is leading on CTSI’s Policy work, including helping CTSI to drive change and build influence externally, and champion the work of the Trading Standards profession.

Sue Steward, Head of Education & Training

Sue is Head of Education & Training at CTSI, she has worked for the Institute for 10 years, having originally been taken on to drive forward the Qualification Review.

Katherine Single, Head of Marketing and Digital

Katherine leads CTSI's Marketing, Digital and Production function. She has a proven track record of building high-performing, commercially focused teams and takes an evidence-led approach to marketing.

Lesley Crompton, Head of Resolution Services

Tom Morgan, Head of Membership

Tom has worked in and around the membership profession for over ten years. His experience ranges from recruiting into the industry to having membership management roles in the sport and recreation and cyber security sectors.

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.

Kerry Nicol, External Affairs Manager

Kerry is leading on the CTSI consumer facing campaigns and using her stakeholder relationship building skills to develop meaningful partnerships that benefit the Trading Standards profession and the wider consumer protection landscape.

Elaina Jones, Marketing and Sales Manager

Elaina has been at the heart of CTSI’s sales and business development efforts for more than a decade. Currently extending her talents within the marketing department, she remains the driving force behind many of the Institute’s commercial endeavours - including its flagship Annual Conference.