Leadership

Executive Team

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Guillaume BacuvierChief Executive Officer

Having joined as Chief Executive Officer in May 2017, Guillaume’s role is to help steer dunnhumby during its next phase of growth and global expansion.

Before stepping into the CEO role, Guillaume was Vice President of Advertising Solutions at Google, leading product strategy, commercialisation and development for products such as Adwords, GDN, YouTube, and Google+ amongst others. Prior to joining Google in 2006, Guillaume worked at Orange Group and began his career as a Senior Project Manager with Booz Allen Hamilton. He brings significant international transformation experience and a deep understanding of data-led advertising solutions and of analytics and customer insights.

Years of Experience

With nearly 20 years’ experience gained in technology solutions, consultancy, and sales & marketing, Guillaume’s successful career in various high-level management roles has shaped him as an integral entrepreneur and business leader, focused on innovation, strategy and large-scale transformations. Despite leading large teams and global initiatives, Guillaume’s passion for delighting customers has persisted; making him the true embodiment of dunnhumby’s values and commitment to our clients. Those around him admire his accessibility and hands-on approach, demonstrated through daily interactions with employees, partners and clients alike, in a continuous effort to support, inspire and guide upstream innovation and strategic thinking.

What excites you about retail and customer science?

"Generally, I’m always interested in things that are in constant transformation, and Retail is one of the many industries that is very much affected by all the new developments around data. Working in an industry and an environment that is in constant change where there are a lot of problems to solve, is what really gets me excited."

Qualifications

MBA, General Management Education, INSEAD

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  • Joanne Wilson - Chief Financial OfficerJoanne WilsonChief Financial OfficerView Bio  
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    As Chief Financial Officer, Joanne is responsible for dunnhumby’s global finance function across the group. Prior to joining dunnhumby in 2016, Joanne spent 10 years at Tesco PLC and 9 years at KMPG in various roles where she developed a wealth of financial and commercial expertise, in disciplines such as business development and change management focused on value delivery, through to corporate finance, mergers & acquisitions, and commercial leadership. One of Joanne’s key priorities is to drive an inclusive culture in dunnhumby, harnessing great talent across our global business and championing diversity.

    Years of Retail & Brand experience

    With 20 years’ experience in both retail and consultancy, Joanne’s financial leadership skills are firmly focused on driving and managing dunnhumby’s future growth. Known for being a strategic thinker and for her passion to deliver our customer promises, Joanne is deeply involved in driving a number of key company initiatives helping to ensure dunnhumby’s values transpire in every business decision made.

    What do you see as the game changing developments for customer science?

    "It is fascinating to witness the evolution of big data and what businesses can potentially achieve with it. The game changing element? The technological developments to support it and make the most out of it. In retail, as in finance and almost any industry, data constitutes the real essence for future growth."

    Qualifications

    ACA
    BA, Economics & Politics, Trinity College, Dublin

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  • David Jack - Chief Technology & Product OfficerDavid JackChief Technology & Product OfficerView Bio  
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    As Chief Technology & Product Officer (CTPO) David owns the design and delivery of all dunnhumby's software products as well as the tools, networks and systems used by dunnhumby employees. He is responsible for driving our science and innovation. David has most recently been Group CIO of MetaPack, the global leader in eCommerce delivery management software. David was responsible for all things tech at this SAAS business, focusing on how to improve the delivery proposition of global retailers and brands.

    Years of experience

    David previously led the technology functions at The Trainline, Betfair and was the co-founder of financial exchange business LMAX, always with a vision to enable and empower business transformation through technology, products and people.

    Qualifications

    University of Brighton

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  • Jérôme Cochet - Global managing director, MediaJérôme CochetGlobal Managing Director, MediaView Bio  
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    As global managing director for media, Jérôme Cochet will have responsibility for dunnhumby’s media business unit, which combines dunnhumby’s Customer Data Science, media capabilities and partnerships to help retailers and brands plan, execute and measure the impact of their marketing activities. Jérôme’s experience and leadership will shape the strategy of our media business and accelerate our plans for global growth.

    Years of experience

    Jérôme joins dunnhumby from Zalando, Europe’s foremost online fashion platform, where he held several roles including SVP Advertising of Zalando SE and Managing Director of Zalando's 360° digital marketing unit Zalando Media Solutions (ZMS). He previously worked for a number of years as an Engagement Manager at McKinsey.

    Qualifications

    MBA, INSEAD
    Master of Science, ESCP Europe

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  • Marc Fischli - Chief Client OfficerMarc FischliChief Client OfficerView Bio  
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    Marc is an expert in international business strategy who has dedicated his career to helping retailers and brands drive sustainable growth through adopting and implementing customer-centric strategies. Having joined dunnhumby in 2007 in a role devoted to bringing the benefits of customer data-science to new countries around the world, Marc has since launched and led dunnhumby’s operations in Canada and France. As Chief Client Officer sitting on dunnhumby’s Executive Board, Marc is now responsible for dunnhumby’s global retail and CPG consulting business – leading commercial, operations, business strategy and client engagements across 47 offices in 27 countries throughout Australasia, EMEA, and the Americas.

    Years of Retail & Brand experience

    With more than 20 years’ retail and CPG experience, Marc has led customer-focused expansion projects in both emerging and mature markets for some of the world’s most sophisticated and respected companies – including Tesco, Shoprite, China Resource Vanguard, Metro Canada, Groupe Casino and Diageo. He played an instrumental role in the expansion and launch of Tesco’s operating model in China, Japan, Turkey, and the US. He was General Manager for two of Diageo’s country business units (France and Poland), and has led strategy development and execution in Asia and Europe for Diageo’s Global Strategy Team.

    What do you see as the game changing developments for customer science?

    "Two key trends I see which will shape how retailers win or lose in the future, are firstly the move to real time analysis (having data available instantly, with immediate insights through machine learning) and secondly the move from descriptive to predictive and prescriptive insights, giving a view of the potential outcome of actions."

    Qualifications

    MBA, London Business School

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  • Gianluca Carrera - Chief Solutions OfficerGianluca CarreraChief Solutions OfficerView Bio  
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    As Chief Solutions Officer, Gianluca leads the development of dunnhumby strategy, brand, products & services and go-to-market approach. Prior to dunnhumby, Gianluca was COO at Reward, the leading card linked offer network in the UK, and developer of RBS MyReward loyalty program. His chief responsibility was to scale the business in revenues, products, customers, capabilities and partners, achieving a 300% growth in four years.

    Years of Retail and Brand experience

    Before Reward, Gianluca was VP International at PubMatic, the leading sell side platform, with overall responsibility of building and growing their international business, setting up the UK, Germany, France and Australia/APAC offices.

    Before PubMatic, he was New Media VP for Truvo, a conglomerate of European Yellow Pages, where the innovation he led grew online revenues to 50% of group revenues in two years. Prior to joining Truvo, Gianluca was VP Operation Strategy for Europe at Yahoo!, where he contributed significantly to the optimisation and rationalisation of several products, services, divisions and properties throughout Europe and North America.

    Qualifications

    Gianluca has a degree in statistics and finance from the University of Milan, and started his career at Citicorp/Salomon Brothers in the fixed income quantitative research and quasi-arbitrage group. Gianluca is also a mentor at Techstars Barclays Accelerator, and has been included in Tech Tour's 2017 list of 'Boldest CEOs and thought leaders in European Technology'.

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  • Denise Sefton - Chief People OfficerDenise SeftonChief People OfficerView Bio  
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    As Chief People Officer, Denise is responsible for helping dunnhumby meet its objectives through our brilliant people across the globe. By developing and embedding strategies for inspiring and attracting the very best talent in the marketplace, her focus is ensuring that dunnhumby remains the great place to work it is today.

    Denise has most recently been HR Director at Experian EMEA where she led a large team delivering strategic and operational HR and Engagement priorities to more than 1,600 professionals.

    Years of experience

    Prior to joining Experian, Denise spent three years as HR VP for the UK at CGI, an IT Services company, supporting 5,500 employees. CGI acquired Logica, where Denise was HR VP for Global Business Consulting, leading HR for over 3,000 people across the globe to implement a consistent HR approach. Denise also worked for Coca Cola for five years, leading projects and teams to transform their HR operations.

    Before Denise made the transition into the HR profession she was a Change and Organisational Development Consultant and started her career at IBM following her graduation from the University of Sheffield, UK.

    Qualifications

    BA (hons) Geography from University of Sheffield, UK

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  • Sarah McCarthy - Chief Legal OfficerSarah McCarthyChief Legal OfficerView Bio  
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    Sarah took up the position of Chief Legal Officer in 2010, having joined dunnhumby two years previously. Sarah has a broad remit in managing legal and compliance risk across the group, and ensuring that dunnhumby can deliver on its strategic objectives within the complexities that technology and data present internationally. Sarah sees the legal and compliance functions as business enablers and encourages her team to be integrated into the heart of the business. Sarah holds the position of Company Secretary for dunnhumby Limited and is Executive Sponsor of dunnhumby’s diversity and inclusion programme.

    Years of experience

    Prior to joining dunnhumby, Sarah spent nearly seven years at law firm Slaughter and May, specialising in IT, IP and commercial contracts. She enjoyed working with a broad range of multi-national blue chip clients across all sectors, but moved in-house to “get under the skin” of business and take a more pivotal role in creating business strategy and culture.

    What do you see as the next big challenge for customer data science?

    "Privacy and data protection issues are globally pervasive and the regulatory regime, especially in Europe, is getting tougher. We have to rise to this challenge as an industry, which means that compliance is in the spotlight as never before. Done well, I believe there is a huge commercial opportunity in this: when we truly put the customer at the heart of our decision making that means we treat their data with the respect it deserves, and use it to provide tangible value back to the consumer."

    Qualifications

    BSc, Geography, Durham University
    PGDL & LPC, College of Law, London

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  • Phil Crookes - Global Head of Transformation & DeliveryPhil CrookesGlobal Head of Transformation & DeliveryView Bio  
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    As Global Head of Transformation & Delivery, Phil is responsible for dunnhumby’s operating model and its transformation, operational excellence and delivery of our strategic plans. After joining dunnhumby in 2003, Phil worked initially with retail clients at board level to help them create an enterprise-wide customer vision and transformation plan. He then took up the role of Operations and Strategic Planning Director and most recently as Chief People Officer. Prior to this, Phil spent five years at KPMG Consulting in strategy and business transformation.

    Years of experience

    With over 25 years’ experience, Phil is an expert in helping companies achieve their goals whilst transitioning through periods of change or growth. He draws on a blend of experience from commercial, consulting and operational roles. At dunnhumby, Phil has worked consistently to develop a strong team culture for success, focusing on organisation design, leadership & talent, change management, corporate-function alignment with business goals and a high performance culture.

    How can businesses get the best out of their people?

    "Instil an ownership mentality in every colleague, be as loyal to them as you hope your customers will be to you, continually fine-tune the culture so it aligns with your strategy and goals."

    Qualifications

    BA (Hons) – Oxford University
    MBA with Psychology - University of Bradford Business School

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Global Market Leads

  • James Tamblyn - Head of EuropeJames TamblynHead of EuropeView Bio  
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    James joined dunnhumby in 1999 and has led different parts of the business in the UK and internationally, working with retailers and suppliers, as well as heading up the development of our global solutions. He spent five years as COO of dunnhumby Italy and dunnhumby France before taking on his current role as Managing Director for dunnhumby in Europe. His extensive experience during his career at dunnhumby combined with expert knowledge of the retail industry, creates value for clients by helping them put the customer at the centre of their decision making.

    Years of Retail and Brand Experience

    James has more than 20 years’ experience in the industry, working with clients such as Tesco, Amazon and House of Fraser. As one of the founder members of dunnhumby’s supplier business in the UK, James helped it grow from four clients in 2001 to 50 clients in 2005. He then moved to France to lead the creation of dunnhumby’s joint venture with Groupe Casino in 2006.

    What makes customer science work?

    "I believe passionately in an unrelenting focus on the customer and our clients, and that success is best gained through a deep understanding of both. It is only when we achieve this level of understanding, from the insights we see in customer data, that we know what our clients need to do differently for customers and how they can get it done."

    Qualifications

    University of Southampton

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  • Jose Luis Gomes - Head of North AmericaJose Luis GomesHead of North AmericaView Bio  
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    Jose joined dunnhumby in 2008 and currently heads up dunnhumby’s business in North America, with responsibility for leading our growth and expansion journey in this region. Prior to this, Jose held a number of senior roles including Solutions Director in Brazil, working with our retail partners GPA, Raia Drogasil and Marisa and then as Solutions Director for all dunnhumby LATAM partners. Subsequently Jose lead the start-up of Digital Media Services in LATAM by building and taking to market products developed in partnership with the likes of Sociomantic, Facebook and Google. Finally as Managing Director of LATAM & Africa, Jose oversaw an explosion of growth and expansion of dunnhumby's presence to Mexico and Argentina. Before joining dunnhumby Jose worked 5 years in Investment Banking with BPI.

    Years of Retail and Brand experience

    With over 10 years in the industry, Jose brings a wealth of retail, consultancy and brand experience, and a fantastic understanding of the complex retail market. He has been responsible for personalising the experience for thousands of shoppers of major Latin American and African Retailers and FMCGs such as Raia Drogasil, Grupo Exito, Grupo Pão de Açucar, Shoprite, Dia and AB Inbev.

    What makes customer science work?

    "Customer Science has the power to transform data into action. In a time when customers are increasingly more demanding and hyper-connected, it is crucial to know the customer and make assertive strategic decisions in order to deliver promises at the point of sale (be it physical or online). To succeed, retailers and manufacturers have no choice but to rely on the extensive use of data and business intelligence technology."

    Qualifications

    Business Management, Alliance Manchester Business School

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  • James Merritt - Head of AsiaJames MerrittHead of AsiaView Bio  
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    Since joining dunnhumby in 2008, James has worked across the business in both local and global roles. He moved to Asia in 2011 to lead dunnhumby Korea, and two years later he became Managing Director for dunnhumby Thailand & Malaysia. James now heads up the Asia region, delivering customer-centric strategies across key partners and suppliers to drive business growth. Prior to joining dunnhumby, James held a number of senior marketing roles at Tesco, working across 5 of the 6 core functions within Corporate Marketing, focusing on customer behaviour and the impacts of price, promotions and place.

    Years of Retail and Brand experience

    James has 15 years’ experience in the industry, and has worked closely with some of the biggest retailers and brands worldwide. In 2008, James led the dunnhumby UK Procter & Gamble account; delivering a number of value-driving initiatives including the launch of a bespoke tracking solution of ‘discount brands’ and the design of annual media plans for over 20 of their largest brands. During his time in Korea, he was instrumental in helping Tesco and manufacturers launch industry-first personalised mobile offers as part of the overall customer strategy, resulting in record sales growth. In Thailand, James led the launch of Connect Media; the country's first customer-focused in-store media solution, transforming the retail media landscape in Thailand and delivering significant brand, category and total retailer growth.

    What makes customer science work?

    "Data plays a central role in understanding consumer behaviour and motivations. Today, technologies that allow a more sophisticated approach to targeting and measuring integrated marketing campaigns are in huge demand. As a result, the use of customer data to drive insights, matched by a desire to bring all media elements together to deliver consistent, device-agnostic messaging is what makes Customer Data Science work. It’s all about creating holistic conversations with customers."

    Qualifications

    Business & Marketing, Sheffield Hallam University
    CIM Advanced Diploma, Business & Marketing, Sheffield Hallam University

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  • Costanza Gallo - Head of LatAfCostanza GalloHead of LatAfView Bio  
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    Cos joined dunnhumby in 2018 and oversees dunnhumby’s business in Latin America and Africa, with responsibility for leading our expansion and growth in the region. Before joining dunnhumby, Cos spent five years at Carrefour Brazil where she held various senior executive roles in Strategy, Marketing & CRM, Digital and Analytics within the Financial Services division. More recently she was responsible for the Atacadão credit card business. Prior to Carrefour, Cos was a management consultant with Bain & Company (Chicago and São Paulo) and with OC&C (London). She began her career with Procter & Gamble in Argentina where she worked in Brand Management, Trade Marketing and Sales across markets in the Southern Cone.

    Years of Retail and Brand experience

    With 17 years of experience across management consulting, consumer goods and retail financial services in South America, North America and Europe, Cos brings extensive international experience to the table. She launched P&G brands in Argentina & Chile, worked on strategy engagements within the Food sector in the UK and Mexico, and led several Health & Beauty due diligences for both private equity and FMCG clients. She worked on revamping Carrefour Bank strategy and repositioning, which led to a 2x increase in profits. More recently, she led the launch and then managed the credit card business for Atacadão (Carrefour Brazil Cash & Carry).

    Qualifications

    Managerial Sciences, Universidad Austral (Rosario, Argentina)
    MBA, Kellogg School of Management (Evanston, USA)

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  • Joey Chan - Head of ChinaJoey ChanHead of ChinaView Bio  
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    Joey joined dunnhumby in September 2017 and leads our joint venture between dunnhumby and China Resources Vanguard. Joey has a wealth of experience in managing insights and data businesses in Greater China. Prior to joining dunnhumby, he worked at Kantar Retail as managing director and Nielsen as vice president, where he led key business units such as Business Intelligence & Insight, Consumer & Shopper research, and Category Management.

    Years of Retail and Brand experience

    With more than 20 years’ professional experience in the industry, Joey has worked with more than 100 top brands locally and internationally, bringing a strategic mindset, hands-on style, very strong client management skills, and a track record in senior leadership roles with strong P&L management ability. Within three years, he’d doubled revenue of Nielsen’s Solution team and achieved the highest client satisfaction score within Nielsen. He has strong experience in growing businesses, through his well-established extended network and relationship with senior management of China retail, FMCG, eCommerce companies, and top industry associations in China.

    Qualifications

    BA Degree, Hong Kong Baptist University

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Subject Matter Experts

  • Dave Clements - Global Retail DirectorDave ClementsGlobal Retail DirectorAreas of expertise  
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    A true retail expert with over 25 years experience, Dave has worked with leading retailers and brands across the world, including Tesco, China Resources Vanguard (CRV) & the Casino Group, to build their customer analytics capabilities and create transformative customer strategies.

    Areas of expertise:

    • Retail capability development
    • Customer centricity, loyalty and data analytics programmes
    • Category, marketing and operations transformations across Hypermarkets, Supermarkets, Convenience stores, Pharmacy/Drug, Department Stores and Retail Banks
    • Strategic supplier collaboration
    • Retail sales and revenue growth
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  • Jason Nathan - Managing Director of DataJason NathanManaging Director of DataAreas of expertise  
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    With more than 20 years of analytical and data expertise, of which 19 have been in retail and 14 at dunnhumby, Jason has a wealth of experience working with both retail and FMCG clients across multiple disciplines. Jason also serves on the board of our Canadian Joint Venture with Metro Canada.

    Areas of expertise:

    • Category Management, Customer Knowledge, Media & Price solutions
    • Space automation systems
    • Automated range management systems
    • Customer data tooling
    • Multi-channel measurement, tooling and processes
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  • Dion Roberts - Managing Director of Category ManagementDion RobertsManaging Director of Category ManagementAreas of expertise  
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    With over 25 years' experience working with retailers and FMCG clients, Dion is passionate about driving innovation and sharing best practice to transform the customer experience throughout the online and offline shopping journey.

    Areas of expertise:

    • Category Management
    • Customer and Category Insights
    • Customer experience
    • Cross-market and cross-functional change programmes
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  • Howard Langer - Managing Director of Price & PromotionsHoward LangerManaging Director of Price & PromotionsAreas of expertise  
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    Leveraging experience working with some of the largest retailers in Europe, Asia and the Americas, Howard is dedicated to helping retailers improve their pricing and promotions capabilities through superior pricing science.

    Areas of expertise:

    • Price & Promotions
    • Pricing in a multi-product environment
    • Price Monitoring and Management best practice
    • Corporate Pricing Strategies
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  • Brendan Light – Managing Director of Customer KnowledgeBrendan LightManaging Director of Customer KnowledgeAreas of expertise  
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    With 20 years' global experience in bringing the voice of the consumer to the marketing world, Brendan is relentless about seeking creative opportunities to improve the efficiency and effectiveness of the shopping experience for customers, brands, and retailers.

    Areas of expertise:

    • Customer Insights
    • Customer centricity, loyalty and data analytics programmes
    • Product development and innovation
    • Customer data-tooling
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  • Sandrine Devy – Managing Director of Global Manufacturer PracticeSandrine DevyManaging Director of Global Manufacturer PracticeAreas of expertise  
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    With 15 years of sales and marketing experience at Cadbury, Bacardi and Mars, and 10 years working with world-leading retailers and brands at dunnhumby, Sandrine has a track record of building successful marketing and commercialisation strategies and collaborative frameworks for FMCGs.

    Areas of expertise:

    • Grocery retail, pharmacy retail, pet specialist trade channel, traditional channel
    • All categories amongst FMCGs
    • Marketing & commercialisation strategies
    • Collaborative category management frameworks
    • Media monetisation frameworks
    • Change management within retail buying teams
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  • Tom Langley – Global Head of Media CapabilitiesTom LangleyGlobal Head of Media CapabilitiesAreas of expertise  
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    Tom's deep knowledge of using data and science for customer activation, coupled with his expertise in developing media propositions which enable superior customer experiences, help retailers and brands grow sales and revenue in a sustainable way.

    Areas of expertise:

    • Digital Media & Personalisation Solutions
    • Media monetisation strategy
    • Media Proposition & Portfolio Development
    • Media Science and Analytics
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  • Dr Rex Davis - Global Head of Data Science & AnalyticsRex DavisGlobal Head of Data Science & AnalyticsAreas of expertise  
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    A transformational leader of global teams in data, science and technology with a proven track record of delivering step change to an organisation's business model, cost base and client outcomes. A leading customer scientist by trade, with a wealth of international experience, Dr Rex Davis provides a perspective and industry understanding that few can match.

    Areas of expertise:

    • Customer Insights
    • Software development
    • Data science
    • Analytics
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