Our Analysts & Experts

Kantar Retail subject matter experts offer fact-based advice and practical solutions to help you achieve your retail growth goals. Our team has exceptional experience across industries and companies, and a deep understanding of retailers and shoppers.

You can leverage our experts to enhance onsite training, national sales meetings, strategy-planning workshops, or trade industry events. Contact us to learn more.


Sara Al-Tukhaim

Sara drives global insights and Middle East thought leadership for Kantar Retail while also managing the club channel of trade. She delivers syndicated and more personalized consulting projects addressing the diverse research questions and strategic needs of retailers and manufacturers around the world. Sara earned an M.S. in applied communication research from Boston University and a B.A. in mass communication and journalism from Arizona State University. She maintains a strong professional and academic background in international market research and consumer behavior. As a researcher, trainer, writer, and speaker, Sara looks forward to opening eyes and stimulating meaningful and effective change.

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Marc Armbruster
Associate Director, Custom & Applied Research

Marc is responsible for scoping and managing applied research solutions for Kantar Retail’s clients. Marc brings a strong background in market research, data analysis, and project management. Before joining Kantar Retail, Marc worked as an analyst and survey subject-matter expert at a higher education research and consulting firm in Boston. He also led demand planning for the Adidas Group. Marc earned a B.A. in economics from Grinnell College.

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Timothy Campbell
Junior Analyst

Tim works on research and insights for Kantar Retail’s club channel team. He is responsible for developing content for Kantar Retail, event presentations, and custom work related to the three major U.S. club retailers: Costco, Sam’s Club, and BJ’s Wholesale. Tim joined Kantar Retail in December 2013. He holds a B.A. in economics and political science from Gordon College.

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Alida Corcoran
Senior Analyst

Alida has been part of Kantar Retail’s U.S. grocery team since 2011. She focuses on both large-scale and regional supermarket chains, including Kroger, Safeway, Ahold US, and Delhaize America. Alida frequently contributes to online content and is heavily involved in Kantar’s classroom training/workshops, webinars, and consulting projects. She earned a bachelor’s degree in journalism and mass communications from St. Michael’s College. Alida previously worked in client relations and supplier operations at Wayfair.com, a Boston-based eCommerce home furnishing retailer.

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Karolina Fiedler
Global Data Manager

Karolina Fiedler manages Kantar Retail's global database of over one thousand retailers. She is responsible for coordinating analyst and data team communication and workflows, ensures overall data and forecast quality, and is also responsible for publication of various data reports and retail rankings.

As a part of the Market Insights team based in London, Karolina also researches and publishes insights on the overall retail landscape in Europe and Central and Eastern Europe, as well as specific coverage of Metro Group. Karolina frequently participates in research projects covering the evolution of the EMEA retail landscape, and sizing and identifying fast growth retail channels in developed and emerging markets.

Karolina holds a master's degree in Finance and Accounting, and previously worked as a financial analyst at Metro Group.

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Ray Gaul
Vice President

Ray Gaul, Vice President Research and Analytics, based in London, is a founding member of Kantar Retail’s global retail forecasting team. Ray is responsible for the direction of Kantar Retail’s global data that supports all of Kantar Retail Market Insights retailer forecasting products, worldwide. His team produces continuous analysis of over one thousand retailers as well as original research for numerous client projects. Ray specializes in developing global markets reports. He works closely with Kantar Retail’s teams in emerging markets. Ray has lived and worked in the USA, UK, Spain, Belgium, Ukraine, and Serbia. He also played an important role in launching the Market Insights research offices in London, New Delhi, Bucharest, Shanghai, and Sao Paolo and will continue to help Kantar Retail invest in teams around the world.

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Bryan Gildenberg
Chief Knowledge Officer

A world-renowned expert in retail insight, Bryan is Kantar Retail’s Chief Knowledge Officer and a member of the company’s executive leadership team. He is responsible for the company’s analysis and insight, fueling Kantar Retail’s content with in-depth knowledge and intuitive skills few can match. Additionally, Bryan provides a clear, dynamic, and always-topical focus on a variety of channels and retailers around the world. His perspective has been featured on broadcast media such as CNBC, Fox Business, and the BBC, and he is frequently cited in a range of U.S. and global business publications. An award-winning writer, Bryan has authored numerous articles for Kantar Retail publications and third-party periodicals such as The Hub and GMA Forum. An engaging speaker, Bryan has addressed numerous Kantar Retail forums and industry conferences. Bryan earned an MBA summa cum laude from Babson College and an undergraduate degree from Cambridge University in Cambridge, England.

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Caroline Gormley

Caroline Gormley is an Analyst on Kantar Retail’s shopper insights team and has a hand in all aspects of the ShopperScape® product. She trains clients on how to use and gain value from the ShopperScape® database and creates syndicated, shopper-based web content. Caroline joined the Kantar Retail team in April 2014 after working in account management roles at various advertising agencies. She has a B.A. in Psychology from Bowdoin College.

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Doug Hermanson
Principal Economist

Doug specializes in data management, forecasting, and applied economics for the economist and home improvement teams. He contributes economic, retail, and consumer insights through customized research, presentations, and syndicated publications. He is also a key developer of the econometric models and methodologies used in the channel, category, and country-level retail market forecasts produced at Kantar Retail. He holds an M.S. in economics from The Ohio State University where he developed research on regional retail market development and financial commodity markets.

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Tiffany Hogan

Tiffany Hogan, Analyst, leads Kantar Retail’s research on U.S. apparel retailers such as Macy’s and Nordstrom, as well as the apparel industry at large. Prior to joining Kantar Retail in the spring of 2014, Tiffany worked in merchandising and store planning at Limited Stores. Tiffany graduated from The Ohio State University’s Fisher College of Business with a B.S.B.A in Finance.

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Theres Hoyos

Theres Hoyos, Analyst, covers Africa, the Middle East, and Turkey (AMET) for Kantar Retail. Based in Dubai, she monitors the retail landscape in the region and builds an informed point of view of the retail evolution across these geographies. Additionally, she works in conjunction with the consulting team across AMET to build customized outputs in response to specific client briefs. Theres holds an MPhil degree in innovation, strategy, and organization from the University of Cambridge and a BSc in business management from King’s College, London. Retaining an active interest in her main research area of luxury retail strategy in the digital age, Theres is in the process of publishing her MPhil research in collaboration with a University of Cambridge professor.

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Simon Johnstone
Senior Analyst

Simon Johnstone is a Senior Analyst on the Kantar Retail Market Insights team based in London. His work focuses on in-depth coverage of key discounters in Europe, including Lidl and Aldi, as well as the overall retail landscape in Germany. Simon holds a B.A. in German from Royal Holloway University of London.

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Laura Kennedy

Laura works on the Walmart and home improvement research teams. As part of the Walmart team, she conducts research and analysis on Walmart’s U.S. operations. She specifically focuses on the retailer’s growing small-format stores and develops relevant forecasts, insights, and online content for supplier and retailer clients. Laura also leads Kantar Retail’s coverage of the home improvement retail industry and tracks developments at consumer electronics retailers. Laura joined Kantar Retail after reporting on retail and numerous other topics for the Kiplinger Letter, a business forecasting publication in Washington, D.C. Laura graduated summa cum laude from the University of Maryland, College Park, with a B.A. in economics.

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Vadim Khetsuriani
Director Russia & Central Europe, EMEA

Vadim Khetsuriani started his career with Kantar Retail in the U.S., as a financial analyst of Walmart and Metro Group corporations. Vadim was responsible for tracking retailer strategies and working with FMCG suppliers to help them develop customer account plans. After several years of work in the U.S., Vadim moved to the newly-opened Kantar Retail (former MVI) office in London, where he worked with suppliers on projects for major European retailers such as Carrefour, Auchan, Lidl, and Kaufland. Since 2008 Vadim has lead the Kantar Retail research and consulting practice in Russia. Projects in Russia included analysis of regional and national modern trade development, strategic planning, and capability development related to modern trade and key retail accounts.

Vadim graduated from Boston University with B.S.B.A. and was awarded an M.B.A. from Babson College, majoring in strategic market management.

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Amy Koo
Principal Analyst

Amy is responsible for Kantar Retail’s Target, Walmart International, and urban retailing coverage. With experience in strategic problem solving, technology, and teaching, Amy was Technology Project Manager at the Asian Community Development Corporation and Technology Consultant at Common Impact. She also worked at an apparel sizing consultancy that serviced mass retailers and designer brands. Amy earned a bachelor’s degree in computer science and sociology from Brown University.

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Jim Leonard
Vice President, Strategic Advisory Services

Jim leads Kantar Retail’s custom research programs and facilitated training solutions for key clients around the globe. He works with Kantar Retail’s market and retail analysts as well as thought leaders from WPP’s sister companies to create and apply market assessment and growth strategies for CPG/FMCG clients and select retailers. Jim brings a strong background in benchmarking work and translating best practices into actionable insight for manufacturers and retailers. He also creates skill-building and case-based training solutions enabling insights application to customer planning. Jim previously served as commercial manager and editor of Kantar Retail’s online and print publications. His background includes product development and content syndication, classroom training, publishing, and database marketing. Before joining Kantar Retail, Jim worked for a research and marketing firm and a multinational business publisher. He has also served as an adjunct university instructor. Jim holds B.A. and M.A. degrees from Boston College.

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Steve Mader
Vice-President, Digital Insights

Steve is a leading expert on eCommerce, multichannel retailing, and Amazon.com. He guides Kantar Retail’s research into how technology impacts retail. Steve also helps global FMCG brands place their bets on which retailers to focus on, and how to win with them. He is a sought-after speaker on topics such as retailing in 2020, the digital path to purchase, understanding Amazon’s business model, and the store of the future.

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David Marcotte
Senior Vice President, Retail Insights

David leads cross-channel understanding and research into core retail processes, international retail, and retail-related technology along with omnichannel operations. He is a consultant and public speaker on these and other topics such as merchandising, store design and real estate, loss prevention, pricing, supply chain, convenience, and business intelligence. He has also written a number of papers and articles including the “Retailing in Emergent Markets” study in 2010, a portion of which was reprinted in the December 2010 Harvard Business Review. David was also the technical editor for “The Data Warehouse Mentor” in 2011, and in 2012, he co-wrote PwC’s “Survey on Retail in 2020.” Prior to Kantar Retail, he was the Business Intelligence lead for IBM in the Americas. Prior to IBM, he spent 20 years in retail, half in the stores and half in executive management for operations, procurement, risk, category management, and pricing. He has also been a member of the Efficient Consumer Response (ECR) Group, Association for Retail Technology Standards (ARTS), and the IBM Academy of Sciences. David graduated from the University of Delaware with a BSED in special education with an emphasis on social statistical analysis.

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Rachel McGuire
Principal Analyst

Rachel is the lead analyst for Kantar Retail’s shopper insights research. She leverages shopper data from our ShopperScape® survey and other sources to generate shopper insights thought leadership for Kantar Retail articles and events. She also works extensively with clients to help them mine actionable shopper insights to address a broad range of business initiatives. Rachel graduated summa cum laude from Baker University with a B.A. in political science and earned postgraduate degrees from The Ohio State University in international relations, research methods, and survey research. She joined Kantar Retail in 2008.

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Leon Nicholas
Senior Vice President and Knowledge Officer, North America

Leon Nicholas, Senior Vice President and Knowledge Officer for North America, focuses on mass merchandisers. With more than 20 years of experience in the consumer goods and retail industry, Leon offers deep knowledge in syndicated data, store management, sales force development, consulting, and client relations. Frequently cited in the national and trade press, Leon is also a sought-after speaker who has addressed the National Retail Federation, Food Marketing Institute, National Association of Chain Drug Stores, Outdoor Industry Conference, and World Economic Conference.

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Ivana Nikolic
Director, Custom & Applied Research

Ivana builds custom research solutions and advisory services powered by Kantar Retail’s syndicated offer that meet specific business challenges. She brings a strong background in secondary and primary market research, qualitative and quantitative data analysis, and project management. Before joining Kantar Retail, Ivana was a senior consultant at a consumer research and consulting firm in Boston. Ivana holds an MBA from the University of Massachusetts Boston.

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Brian Owens

Brian leads Kantar Retail’s syndicated research focused on the drug channel of trade. Before joining Kantar Retail, Brian worked for 11 years at Reckitt Benckiser, Procter & Gamble, and Gillette in a variety of senior leadership roles in trade marketing, account management, purchasing, and finance focused on a variety of retailers, including Walmart, Target, Family Dollar, Dollar General, Dollar Tree, CVS, Walgreens, and Rite Aid. Brian received his MBA from the George Washington University School of Business in accounting and international business. He also holds a B.A. from Colgate University in sociology and anthropology.

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Mike Paglia

Mike Paglia, Director of Retail Insights, leads Kantar Retail’s research and analysis on value discounters and dollar stores. Mike also studies the U.S. supermarket industry as a member of the company’s grocery research team. Since joining Kantar Retail over six years ago, Mike has advised numerous companies within the CPG community. He regularly interacts with both retailers and suppliers through Kantar Retail’s syndicated events and webinars, as well as through customized onsite engagements. He’s frequently quoted in the trade press, including publications such as Supermarket News and Marketing Daily as well as news outlets such as New England Cable News (NECN). Mike’s retail background started at Staples, where he worked both at the store level and with various buying teams before moving to the online brand protection industry. Mike graduated from Providence College cum laude with a Bachelor of Arts in psychology.

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Himanshu Pal

Himanshu Pal is Retail Insights Director for Kantar Retail EMEA and an expert in proximity retailing and key global customers such as Carrefour, Tesco, and Auchan. With over 12 years of research and consulting experience, Himanshu is a frequent commentator on retail issues for the media and a sought-after speaker at trade events. He also leads Kantar Retail’s analyst team based in London and is a key speaker at Kantar Retail’s events in Europe. He has also played an important role in launching and managing the Kantar Retail Market Insights research offices in New Delhi and Bucharest. Born and raised in New Delhi (India), Himanshu has significant knowledge of the retailing environment in South Asia and has worked on several projects in that region.

Himanshu holds two master’s degrees from ICFAI Business School in Business Administration and Finance, along with a bachelor’s degree from Delhi University in Economics and Commerce.

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Tudor Popa

Tudor Popa is an Analyst for Kantar Retail. His work focuses on in-depth coverage of key retailers such as Carrefour, Auchan, Casino, and Leclerc. He also produces insights and custom projects on European big-box retailing. Tudor’s experience is based on strong data research and analytic skills complemented by a detailed knowledge of European retail.

Originally from a city on the banks of the Danube, Galati, Romania, Tudor is currently based out of KR’s London office. He has more than six years of research and insights experience and holds two B.A.’s in International Trade (Romania – Galati, France – Amiens) and a master’s degree in Marketing (Romania - Bucharest). Tudor is fluent in English, French, and his native Romanian.

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John Rand
Senior Vice President, Retail Insights

John focuses on the supermarket, club, and value discounter channels. He advises retailers and suppliers, leveraging nearly five decades of experience in store operations and design, branded product sales, purchasing, merchandising, marketing, category management, and consulting. John has been featured on FMI, GMA, NACDS, and CHPA programs. He has also served on IRI’s Product Advisory Board as well as the GMA/ASMC Technology Steering Committee.

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Bryan Roberts
Senior Vice President and Knowledge Officer, EMEA

Bryan Roberts is SVP and Knowledge Officer for EMEA, based in London. Prior to joining Kantar Retail, Bryan was the Global Research Director at an international retail intelligence provider. Bryan has nearly 20 years of experience in the retail research and insights industry and has specialized in themes such as private label strategy, store concept development, Walmart, Tesco, Carrefour, and discount retailing. Clients include some of the world’s largest retailers and suppliers. A frequent commentator on retail issues for the global media and a sought-after speaker at trade events, Bryan also co-authored “Walmart: Key Insights and Practical Lessons from the World’s Largest Retailer,” published in 2012. Bryan holds a master’s degree in international political economy from the University of Warwick and has been a visiting fellow at the University of Surrey’s School of Management since 2009.

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Nicole Santosuosso
Junior Analyst

Nicole is a junior analyst with Kantar Retail’s digital team. Her research includes all areas of digital and eCommerce, including pure play, multichannel retailing, the digital path to purchase, and emerging digital trends across channels. She is responsible for producing content and insights for Kantar Retail’s Digital Insight Center, event presentations, and custom work. Nicole joined Kantar Retail in 2013. She graduated from Bates College with a B.A. in rhetoric and a concentration in film and media studies.

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Kate Senzamici
Senior Analyst

As a senior analyst on Kantar Retail’s shopper insights team, Kate has a hand in all aspects of the ShopperScape® product. Kate supports both internal and external clients in applying ShopperScape® data across all components of retail. She also creates syndicated, shopper-based web content. Kate joined Kantar Retail in 2010 with a B.A. in English from Providence College and an M.A. in applied sociology from the University of Massachusetts Boston.

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Robin Sherk

Robin Sherk is Director of Retail Insights for Kantar Retail’s syndicated research on Walmart and the Canadian market. Bringing more than seven years of consulting and market research experience, Robin is instrumental in developing the research and framing analyses within Kantar Retail's Market Insights division. Her research covers a range of topics, including the impact of digital on traditional retailers, shopper marketing and merchandising trends, and examining the strategies of leading retailers to navigate the increasingly fragmented landscape. She is a trainer for syndicated seminars, providing guidance to numerous Fortune 500 consumer packaged goods companies. In addition to maintaining a public blog for the trade magazine Canadian Grocer, Robin frequently contributes to the company’s publications. She graduated magna cum laude from McGill University.

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Andrew Stockwell
Chief Research Officer

Andrew is the Chief Research Officer of Kantar Retail Market Insights. He has more than 15 years of market research industry experience. Previously, Andrew worked at Forrester Research where he held several leadership roles. He served as Vice President of Asia Pacific based in Beijing; led Forrester’s global practices focused on eBusiness and channel strategy, interactive marketing, and consumer product strategy; and ran its global consulting practice focused on serving marketing and strategy professionals. Andrew received an MBA magna cum laude from Babson College and a B.A. from Hamilton College.

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Mary Brett Whitfield
Senior Vice President

Mary Brett leads the shopper insights research and content development team for Kantar Retail and also directs development of the company’s apparel retailing content. Mary Brett has extensive experience helping retailers and suppliers leverage shopper insights and other primary research data for performance improvement. She has worked at retail companies in market research, strategic planning, and sales development roles and has a strong background in industry and company analysis and competitive positioning work. Mary Brett earned a B.A. in economics from Smith College and an MBA from the University of Oklahoma.

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Yvonne Xu

Yvonne Xu is an analyst on the Kantar Retail Market Insights team based in Shanghai. She monitors China retail landscape and eCommerce development at large and also contributes to channel reports. Yvonne produces comprehensive analysis and reports, and participates in customized projects. Her regular work covers updates and analysis of key online and offline retailers, such as Alibaba, Amazon China, etc. Yvonne graduated from the University of Missouri-Kansas City with an MBA in finance degree in 2013.

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Han Yang
Senior Analyst

Han Yang is a senior analyst on the Kantar Retail Market Insights team based in Shanghai. Joined Kantar Retail in 2014, He focuses on tracking and studying major retailers in China both offline and online, including JD.com and YHD.com. He is responsible for researching macro landscapes and trends of macro retail market and developing insights and contents for Kantar Retail market reports, event presentations, and customized consulting projects. Han has a BA degree with Summa Cum Laude from The Ohio State University and an MSc degree in Information Systems Management from The University of Warwick in 2012.

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Oceanne Zhang
Director of Retail Insights and eCommerce, China

Oceanne Zhang heads up Kantar Retail Market Insights Division in China and she also leads the company’s eCommerce offering in China. She leads the team to provide forward looking insights into the China retail market across the following key channels: hypermarket, supermarket, convenience store, and eCommerce. She has various consulting project experiences in Route to Market, eCommerce Strategy, Retail Landscape to help clients win in the dynamic retail market in China with clients from manufacturers, retailers, and investment banks.

Oceanne also leads Kantar Retail’s PowerRanking and Digital Power studies in China.

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Anne Zybowski
Vice President, Retail Insights

As a Vice President of Retail Insights, Anne is our lead U.S.-based eCommerce and digital analyst focusing on Amazon, pure-play retailers, multichannel best practices, and the evolving impact of the connected omnichannnel shopper. Prior to her current role, Anne led our mass merchandise research practice. She is a presenter and trainer for Kantar Retail seminars, and has been featured at many industry conferences, including the the National Retail Federation’s Big Show for the past four years. Anne is frequently cited in a range of U.S. and global business publications. Before joining Kantar Retail, Anne was a Vice President at Stern Stewart & Co., where she was the lead project manager and consultant for a variety of retailers including JCPenney, Whole Foods Market, and Ahold. Anne received an MBA from the University of Rochester and an undergraduate degree in economics, psychology, and math from Johns Hopkins University.

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