Interactive Advertising Bureau

Interact 2025 Speakers

Joanna
Burton

Host of 
Interact 2025
Following a happy career in advertising Joanna Burton is now advising, mentoring, speaking and enjoying attending conferences.
Joanna specialised in data-driven advertising, including addressable TV, retail media, identity resolution and data platforms, as well as programmatic video and display advertising.  Most recently she worked as Chief Strategy Officer at ID5, one of the companies she now advises.  At ID5, she helped drive global growth working with publishers, broadcasters and retail media companies around the world to increase programmatic revenues and improve user experience whilst allowing ad tech platforms to operate more efficiently and to maximise the value of data and inventory in a privacy-first way. 
Prior to that she worked as VP European Strategy at SpotX, acquired by the RTL Group, helping publishers and broadcasters to monetise their premium video content across desktop, mobile and connected TV.  
Her broad experience covered a range of companies from Microsoft and AOL to AppNexus, IPG, EW Scripps, Omniture, GroupM, Beeswax and Rubicon Project.
Based in London, Joanna was recognised as ExchangeWire’s Ad Tech Personality of the Year in 2018 and as one of AdMonsters Top Women in Media and AdTech in 2022. 

Townsend
Feehan

CEO,
IAB Europe
Townsend Feehan is CEO of IAB Europe. Prior to joining IAB Europe, Townsend worked for Microsoft Legal & Corporate Affairs in Brussels and ran EU industry associations in the ICT, consumer electronics and biotechnology sectors. She previously represented Microsoft on IAB Europe’s Board. Townsend has an M. Phil. in European policy from the University of Edinburgh.

Alison
Keith 

Global Head of Media Excellence, Kraft Heinz
Alison Keith has served as Kraft Heinz’s Global Head of Media Excellence since April 2023. She is responsible for driving growth across the company’s many brands through innovative approaches to media strategy, world-class, scalable partnerships and agency leadership, fostering a culture of collaboration, sustainable productivity and creative effectiveness.

Prior to Kraft Heinz, Alison spent 6 years at Coty as Vice President of Global Media, building the global media organization and forging a seamless relationship with local marketing teams. She created strategic value by collaborating with leadership teams across the company to create optimal solutions for driving effective, data-driven media across paid, owned and earned channels, including building an in-house media buying, creative and product development agency with over 150 people globally.

Previously, Alison spent 10 years in media agencies, leading large CPG clients such as P&G, J&J and Brown Forman through strategic transformation journeys. She also started her career in e-commerce, brand marketing, software development and digital creativity. She holds a Bachelor of Management with a focus on Marketing from Royal Holloway - University of London. She lives in Amsterdam with her family and is enjoying learning Dutch.

Anastasiya
Baydachenko

CEO,
IAB Ukraine

Anthony
Katsur

CEO,
IAB Tech Lab
Anthony Katsur is a digital media veteran with over twenty-five
years of executive leadership at the intersection of technology
innovation, business strategy, and growth.

As Chief Executive
Officer for IAB Tech Lab, Katsur oversees product, engineering,
membership, and operations teams for the digital advertising
industry's global technical standards-setting organization.
Katsur has previously held business and technology executive
leadership positions at companies including DoubleClick, where
he led GAM (formerly DFP) engineering, MediaMath (where he
built the original Terminal One platform), Magnite (where he
launched the DealID marketplace), and, most recently, Nexstar
Media Group, the largest broadcaster in the United States. A
sought-after speaker, he has appeared at events including the
National Association of Broadcasters, AdAge's Brand Summit, Advertising Week, ExchangeWire's ATS, and has been quoted in AdAge, Adweek, AdExchanger, Digiday, Business Insider, and The Wall Street Journal. CNBC and Bloomberg have also
interviewed him.

When he's not leading the Tech Lab in creating next-generation
digital advertising standards, Anthony can be found camping
and fly fishing in rivers and streams across the United States
with his 13-year-old son. When he's not standing in a river,

Anthony also enjoys hunting, reading, working out, cooking,
and getting lost on his customized 2016 Harley.

Bernard
Marchant 

CEO, 
Group ROSSEL
Bernard Marchant has been the CEO of the Belgian media group ROSSEL since September 2001.
He holds a degree in economics from the Catholic University of Louvain. He began his career as a tax advisor at Arthur Andersen (1984–1985), before moving on to an international career with the Italian IT group Olivetti (1986–1997), where he became Vice President for Europe and Chairman and CEO of Olivetti France.
He continued his international career at the Belgian group Bekaert (1997–2000), serving as a member of the Executive Committee and Managing Director of Bekaert Merchant Products, and then at the French group 9Telecom (2000–2001), where he held the position of Chairman and CEO.
He took over leadership of the Rossel Group in 2001 following the death of Robert Hurbain. Since then, the media group has doubled in size, while maintaining its financial and strategic independence. Today, the group is active not only in French-speaking Belgium, but also in Dutch-speaking Belgium through partnerships with media companies in the north of the country, as well as in France, notably since acquiring control of the Voix du Nord group in 2005.
Bernard Marchant is married and has two daughters.

Chris
Hydak

Assistant General Counsel, Privacy and Regulatory Affairs, Microsoft
Chris Hydak is Assistant General Counsel, Privacy and Regulatory Affairs at Microsoft.  
He leads the central privacy and accessibility strategy team, which engages in privacy policy around the world and provides guidance to internal teams across the company. This includes a focus on the advertising landscape and regulatory framework.  
Prior to joining Microsoft in 2018, he worked among others as associate in the law firm Hunton & Williams.

Colin
Lewis

Co-founder,
Retail Media Works
Colin is the co-founder of Retail Media Works. Retail Media Works with brands and retailers on their digital commerce and retail media strategies across the globe. Brand clients include Barilla, Fonterra (Australia and New Zealand), Kellanova, Optimum Nutrition and Sofidel / Kittensoft. Retail Media clients include Very Group, Ocado, Superdrug, Migros (Turkey), Metcash (Australia), Douglas (Germany), The Warehouse Group (NZ), and Cencosud (3rd largest retailer in Latin America)

Colin is also..
Marketing Week Magazine - writer & columnist - since 2015
Editor-in-Chief for the Retail Media X Newsletter for Internet Retailing.net
Columnist for UnMade marketing magazine om Australia – monthly.

Colin has written over 250,000 words on digital commerce and retail media including 8 best practice reports on
Amazon Advertising, Walmart Connect, Target Roundel, Instacart, Kroger Precision Marketing for WARC. Colin created the 7-week Advanced Course in Retail Media for Advertising Week.

Colin is the podcast Co-Host for the “Retail Media Therapy” podcast and The Retail Media Podcast: https://internetretailing.net/podcast/section/the-retail-media-podcast

Dominique
Rose Van-Winther

Chief AI Evangelist, CEO,
Final Upgrade AI
Dominique Rose Van-Winther is the founder of Final Upgrade, an AI-powered consultancy focused on training, advisory and AI solutions for businesses to develop lasting competitive edge utilizing AI and other technologies. 

With over 20 years of experience leading teams at global firms like IPG, McCann, and WPP, she has also run D-Central, her own high-end AI consultancy, and led Asia-Pacific for The Hoffman Agency. 

Dominique is a seasoned public speaker on AI, helping companies build AI strategies and upskill executives. She serves as a Non-Executive Director for Synthar AI and is an early advocate and investor in blockchain. As an early adopter and champion of new cutting edge technologies, her passion for innovation, entrepreneurship, and building teams shines through her work across both startups and large enterprises.

David
Cohen

Chief Executive Officer,
IAB
David Cohen joined IAB in April 2020 as President and was named Chief Executive Officer in September 2020. Cohen is a widely respected advertising agency leader who, prior to IAB, served as President, North America for MAGNA, Interpublic Group’s (IPG) centralized media intelligence, investment, and innovation arm. In this role, Cohen was responsible for more than $20 billion in media spend. During his tenure, Cohen structured and executed large global transactions on behalf of IPG and its clients, with such major IAB member companies as Facebook, Google, Microsoft, Spotify, Twitter, and Verizon Media. 93



Prior to MAGNA, Cohen served as Chief Investment Officer of UM, ensuring that digital innovation, data, and technology acumen flowed throughout the agency to drive performance. 26 From 2001 to 2011, Cohen served in critical, transformational roles at UM during the explosive growth of digital advertising, including Chief Media Officer, Chief Digital Officer, and Executive Vice President, U.S. Director of Digital Communications. In the late 1990’s, Cohen was responsible for launching and building IPG’s digital practice.


Cohen has a long history of working with trade organizations including IAB and 4As, where he served as chairman of the Interactive Marketing Committee from 2009-2013. He has also been instrumental in initiating several vital industry-wide programs, including the Future of Television, facilitated by EY. Cohen is a Queens native, with a bachelor’s degree in communications from Adelphi University. He was recognized by Adweek as a “Media All Star” and was part of the “Adweek 50” in 2012.


In 2016, David was elected to the Board of Directors of Partnership with Children a non-profit whose mission is to strengthen the emotional, social, and cognitive skills of vulnerable children in New York City to help them succeed in school, society, and life.


David enjoys spending time with his wife and two teenage daughters. A self-described gadget-geek and sometimes fitness fanatic – he ran the NYC Marathon in 2014 and 2019 and Boston Marathon in 2016.

Daphne 
van Doorn

Head of EU Affairs, BVDW (German Association for the Digital Economy)
Daphne van Doorn is Head of EU Affairs at the German Association for the Digital Economy (Bundesverband Digitale Wirtschaft). She has a longstanding track-record of political and public affairs, having represented several organisations and companies ranging from healthcare, food, life sciences and digital industries, whilst having been based in Brussels, Düsseldorf and Berlin. Currently, in her role for the German digital economy, Daphne represents BVDW’s interest at European level, specifically focussing on online consumer protection, Digital Fairness as well as the implementation of the Digital Services Act. In her spare time, she likes to visit concerts, art galleries and meet up with friends. As a Dutch national, bicycle rides are also always recommended.

Daniel
Knapp

Chief Economist,
IAB Europe
Daniel is an advertising, media and data expert with more than 15 years of international experience. As Chief Economist at IAB Europe he provides market analysis and forecasts into all facets of digital advertising and translates between policy and industry domains. He is also co-founder of RE:DEF, a specialist advisory firm at the intersection of digital strategy and implementation with a particular emphasis on forensic ad tech supply chain analysis. Daniel is a board member at the Institute of European Media Law and Senior Fellow at The MediaLab, a Brussels-based think tank on media pluralism. Previously, Daniel was associated expert on media and AI at the European Commission for Vice President Ansip’s Cabinet and co-founded a programmatic advertising agency. He spent 11 years at IHS Markit, latterly as Executive Director in the Telecoms, Media and Technology practice. Before this, he worked in media policy at the State Chancellery in Düsseldorf, Germany. Daniel received his PhD from the London School of Economics (LSE).

Dimitris
Beis

Data Analyst & Sustainability Lead,
IAB Europe
Dimitris drives IAB Europe’s initiatives in sustainability, offering educational resources and in-depth emissions analysis while contributing to industry standards for digital channels. 

He also leads the AI Working Group, focusing on the impact of artificial intelligence on the digital ecosystem, and supports market intelligence efforts through advanced research and analytical insights.

Dr. Sachiko 
Scheuing

European Privacy & AI
Governance Officer, Acxiom
Dr Sachiko Scheuing is Author of How to Use Customer Data and the European Privacy & AI Governance Officer of Acxiom, an IPG-Interpublic Group company, and a global leader in marketing services. She is currently serving her fourth term as the Co-Chairwoman of the trade association Federation of European Data and Marketing (FEDMA), based in Brussels. Besides FEDMA, Sachiko is active in several European and global privacy and marketing associations as well as think tanks. 

She was one of the founding members of the EU DPO association, CEDPO. Sachiko is passionate about empowering women and girls. She is serving as the global co-chair of Acxiom’s gender equity programme, WomenLEAD.
In 2020, Sachiko received the DataIQ Professor Derek Holder Lifetime Achievement Award for her contribution to and leadership in the data industry. In 2024, she was recognised by Women in Data® as one of the twenty most influential women in Data and Tech.
Photo credit: Sane Seven

Elena
Turtureanu

Vice President , 
Adform
Elena Turtureanu is an international lawyer, legal and privacy professional who advises C-Suite, senior leaders and product teams on complex global legal, privacy and compliance matters in cutting edge technologies.

 Currently serving as Vice President at Adform, she previously held senior legal roles including acting General Counsel at Smaato and Senior Counsel at SAP, a global software leader. Elena has a strong track record in regulatory and commercial matters, with deep expertise in data governance, privacy, SaaS, AI, trust & safety and transparency in digital environments.

Heike
Schneider

Team Lead Sales & Business Development, Douglas Marketing Solutions
Heike Schneider is Team Lead Sales & Business Development at Douglas Marketing Solutions and brings over 20 years of experience in digital marketing, including 11 years of leading high-performing account management and sales teams.

Throughout her career, Heike has built, coached, and scaled successful teams at leading global companies such as Meta, LinkedIn, Amazon, and Ströer. Her focus has been on scaling operations and driving cross-functional collaboration to implement complex digital marketing strategies.

With international experience—especially from her time in Dublin—Heike has developed a strong ability to navigate complex global organizations and foster an agile mindset across teams and projects.

Jason
Wescott

Global Head of Commerce Solutions, GroupM & Chair of IAB Europe’s Retail & Commerce Media Committee
Jason, a luminary in Global Commerce at GroupM, possesses a dynamic 15-year journey, spanning b2b sales, E-Commerce, and Retail Media. 

As the former European E-Commerce lead for Hasbro, he seamlessly transitioned his expertise to pivotal senior Commerce roles at Publicis Groupe and now WPP’s GroupM. Jason's fervour lies in crafting global growth strategies that seamlessly integrate people, data, and AdTech. His client engagements have included Colgate-Palmolive, Amazon, Samsung, P&G, HP, Disney, and Vodafone.

 Elected Chair of IAB Europe’s Retail Media Committee in January 2024, Jason champions this multi-stakeholder group’s industry-defining work in standardisation across this nascent category of digital advertising.

Mary
O’Sullivan

Director Europe & International Markets, 
Ad Net Zero
Mary O’Sullivan is a seasoned media and sustainability professional with over 25 years of
experience leading commercial, PR, and marketing functions across the media industry. With
deep operational insight and a passion for driving positive change, she has spent the past
seven years supporting sustainably-led brands and initiatives, helping them navigate the
complex intersection of media and environmental responsibility, whilst harnessing opportunities
for their business.

Mary has been working with the Ad Net Zero framework across Europe, guiding companies to
identify meaningful sustainability opportunities while ensuring transparent and credible
communication. Since 2023, she has led the Ad Net Zero initiative in Ireland and is now
transitioning its rollout across Europe, working with companies and brands that are playing a
pivotal role in aligning the media sector with global sustainability goals.

Marie-Clare
Puffett

Industry Development & Insights Director, IAB Europe
Marie-Clare is the Industry Development & Insights Director for IAB Europe. 

Marie-Clare has spent 10+ years in the digital advertising and marketing industry leading collaborative projects, research and events. 

She is tasked with driving IAB Europe's industry engagement and initiatives within Retail Media as well as owning the association’s industry research and insights outputs and roadmap.

Ninon
Vagner

Privacy Director,
IAB Europe
Ninon leads the privacy-oriented work of IAB Europe and oversees the TCF compliance programmes. 

She has previously worked at Leboncoin Group in Paris, responsible for ePrivacy & GDPR legal compliance for advertising operations, and at Sirdata on data protection where she took part in developing a commercial Consent Management Platform. Prior to Sirdata, she worked as consultant for an advisory firm in strategy, crisis communications & public affairs.


Peter
Craddock

Partner, 
Keller and Heckman LLP
Peter Craddock is a lawyer with a software development background, offering a unique blend of legal and technical knowledge. He is sought after by a diverse clientele, ranging from start-ups to established multinational corporations, for guidance on global data strategies and EU data litigation, including appearances before the EU Court of Justice. Based in Brussels, he helps international companies find legal solutions to technical problems and technical solutions to legal problems. Peter is a prominent voice, notably in the adtech and digital advertising space and on ePrivacy evolutions.
Peter helps drive innovation and optimise data utilisation across the EU and beyond. His strategic counsel and legal support span the critical domains of privacy and data protection, data governance, AI governance, cybersecurity, e-commerce, digital transformation, and software contracting. His dual background as a lawyer and software developer uniquely equips him with the ability to analyse the possibilities offered by data protection laws and emerging technologies through a multifaceted lens.

Rebecca
Ackers

VP, Commercial UK,
Magnite
As VP Commercial UK at Magnite, Rebecca Ackers leads the charge on commercial growth in the UK and shapes the EMEA strategy for DV+. With over 15 years of experience in digital advertising, she brings a sharp focus and deep expertise in programmatic to the Magnite teams and customers.


In her previous role as VP DV+ EMEA, Rebecca played a key role in expanding the Display, Video, and Audio sell-side business across the region. She built and led a powerhouse team of programmatic specialists, launched innovative products, and partnered closely with publishers to supercharge their programmatic performance. Rebecca has deep experience working directly with global internal and external client teams, handling the diverse complexities of global account management. Rebecca is also a renowned speaker having taken the stage at a number of prominent industry events across Europe.


On a personal note, Rebecca is an avid skier and traveller, with Japan always at the top of her travel list.

Rachel
Smith

CEO & Co-Founder,
ExchangeWire
Rachel Smith is co-founder and CEO of ExchangeWire, and oversees the company’s global operations. Rachel has more than 12 years experience in the digital media, advertising and marketing industry.

Prior to this, she spent 10 years in the public sector working with policy advisors and elected politicians at both a local and national level in the UK & Australia. Amongst many other things, this included running media, communications & PR functions for local government authorities in London. Rachel holds a Bachelor of Arts in Politics from the Australian National University, and is on the Board of Trustees for the East London based charity, the Bromely-by-Bow Centre.

Sebastian
Grantz

Global Data & Privacy Lead, 
Google
Sebastian has almost 20 years of experience in digital marketing, sales and digital transformation. He is the Global Data & Privacy Lead for Google's team that manages the relationships with industry bodies globally. In this capacity, he works closely with advertising associations on the changes to the digital advertising ecosystem that have arisen from increased user demands for data protection and the rise of AI. 
Before joining the Industry Relations team, Sebastian spent multiple years in Google's sales organisation and served as the Ads Privacy Lead for Central Europe. He also worked for Scout24 Media, Adconion and smartclip.

Sylwia
Iwanejko-Sajewska

Country Manager Germany, Decentriq
Sylwia Iwanejko-Sajewska is a seasoned executive in the advertising industry, with over 17 years of experience in media and AdTech. Her career includes leadership roles at globally operating advertising technology companies such as Magnite, TripleLift, and Hivestack, where she has successfully led business operations in the DACH region and Central Europe.


In her current role as Country Manager Germany at Decentriq, Sylwia is responsible for the
company's business operations in Germany and continued growth in the region expanding the ecosystem with premium publishers, agencies, advertisers, data partners, and retailers.


As an active member of the BVDW and the IAB Europe, she has contributed to essential industry
topics such as SPO Supply Path Optimisation, First-Party Data and Privacy First Advertising.
Sylwia lives in Berlin with her family and dedicates her free time to personal growth and
community development.

Vincent
Flood

Editor-in-Chief
VideoWeek
Vincent of is Editor-in-Chief of VideoWeek and the host of the VideoWeek podcast. He also serves as Executive Editor of FutureWeek, a new publication focusing on AI in media & marketing. VideoWeek is the industry’s leading publication for video & TV advertising, with a global audience made up of brands, agencies, publishers, broadcasters and technology companies. VideoWeek organises a number of the industry’s leading events, including New Video Frontiers, the European Video Awards, Video Rise, TV Rise, VideoWeek Roadmap, VideoWeek100 and VideoWeek Roadmap.

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