Věra Šídlová

Věra Šídlová is Global Creative Thought Leadership Director at Kantar, where she helps brands unlock the power of creativity to drive business results. Her passion for art and psychology seamlessly aligns with her focus on creative effectiveness, and she has shaped the strategies of a wide range of global brands by helping them connect meaningfully […]

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Katarzyna Lewinska

Katarzyna Lewińska is Head of Creative at Kantar Poland, with nearly 20 years of market research experience, including over 12 years specializing in creative development and optimization. She has analysed consumer feedback on 8,000+ campaigns across FMCG (e.g., Heineken, Reckitt, Danone, Electrolux, Novartis), services (e.g., Visa, ING, BLIK) and retail (e.g., Carrefour, Allegro, IKEA). Drawing […]

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Vera Sidlova

Věra Šídlová is Global Creative Thought Leadership Director at Kantar, where she focuses on how creativity drives brand growth and delivers measurable business impact. Her professional focus aligns with her passion for art and psychology. She is the author of three Effie Europe reports that uncover the principles behind award-winning work. Věra is a seasoned […]

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Stephanie Leix

Stéphanie Leix is a senior client leader at Kantar with over 25 years of international experience in creative effectiveness and communication impact. She supports clients’ strategic decision making around creative quality, communication performance, and long term brand growth, having evaluated thousands of campaigns across FMCG, services, pharma, fashion, and lifestyle sectors. Her career began in Paris, […]

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Si Atherley

Simon Atherley is Kantar’s Head of Marketing Effectiveness for the UK. He is responsible for connecting Kantar’s expertise and data across a wide range of effectiveness topics to help define best practice. He joined Kantar in 2010 and since then has been leading large effectiveness measurement programmes for the likes of Heineken, Kellogg’s, and Unilever. […]

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Rogier van Kalmthout

Rogier van Kalmthout leads a multidisciplinary team of creative and media specialists at Kantar Netherlands. With nearly 20 years of experience in marketing effectiveness, he supports brands in improving the impact of their advertising. Rogier works with a diverse portfolio of leading local and international clients, including Perfetti Van Melle, Magnum, Unilever and Booking.com. Together […]

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Mette Kjaer

I’m an experienced marketing strategist leading the Creative Practice in Denmark with a deep commitment to elevating creative effectiveness for our local and global clients across a wide range of categories. I have more than 30 years experience helping brands unlock the full potential of their communications through data-driven insights. As a passionate advocate for […]

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Hande Beceren

Hande Beceren, is the Managing Director of Kantar Insights Turkiye & Qatar, providing services to more than 100 local and international brands in the areas of brand health and positioning studies, advertising tests, and innovation. Prior to that, she has served as Interim Managing Director for Kantar Insights Finland office between 2024-2025. She is a […]

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Ecem Erdem

“Ecem’s background in social psychology underpins her interest in what drives human behaviour and how this shapes the way people respond to brand communications. As Global Creative Thought Leadership Manager at Kantar, she creates content that translates evidence based intelligence on advertising effectiveness into practical insight, helping brands make better creative decisions at scale to […]

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