Board of Directors

  • Frederik van der Kooi, member of the board of directors

    Frederik van der Kooi

    • Chairperson of the Board
    • Independent Director

    Frederik van der Kooi has served as a member of our Board of Directors since June 2023, and has served as chairperson of our Board of Directors since April 2025. From 1999 to 2021, Rik served in positions of increasing responsibility with Microsoft Corporation, including as the Chief Operating Officer of its Online Services Division, and culminating in his service as the Corporate Vice President managing Microsoft’s global advertising business (Microsoft Advertising) from May 2010 through Microsoft’s acquisition of Xandr in December 2021. From 2010 until 2022, Rik served as a member of the Board of Directors of the Interactive Advertising Bureau (IAB) in the United States, the national trade association for the digital media and marketing industries, including as its Chairman from 2019 through 2021. Rik has a Master of Business Administration from Instituto de Estudios Superiores de la Empresa (IESE) and a Bachelor of Business Administration from Nyenrode University in The Netherlands. The Board of Directors believes that he has deep expertise in digital advertising, leading Microsoft’s digital advertising business for over a decade, covering search, display, native, retail media and video offerings and leading strategy, sales, marketing and partnerships globally. During his mandate, he scaled Microsoft’s global advertising business, reaching $10 billion by the end of this tenure. He also led Microsoft’s acquisitions and integration of PromoteIQ in Retail Media, Xandr and others, and closed transformative business partnerships with Yahoo, AOL, AppNexus and global agency partners.

  • Michael Komasinski

    • Chief Executive Officer

    Michael Komasinski is the Chief Executive Officer at Criteo and a member of our Board of Directors since February 2025. He brings over 20 years of AdTech expertise and a proven track record of driving accelerated growth, AI-driven innovation and scale. Throughout his career, he has gained significant data-driven technology expertise and vast retail media experience. Michael previously served as CEO of the Americas, President of Global Data & Technology, and member of the Group Executive Management team at dentsu, one of the largest global advertising holding companies. He joined dentsu through its acquisition of Merkle in 2016 and led both the EMEA and Americas regions before becoming Global CEO of Merkle in 2021. He previously served in leadership positions at Razorfish, Schawk Retail Marketing, The Nielsen Company and A.T. Kearney. Michael is a board member of the Ad Council and Interactive Advertising Bureau and serves on the client advisory boards of Meta and Microsoft. He holds a Bachelor of Science degree in Engineering and Philosophy from Vanderbilt University and an MBA degree from Indiana University's Kelley School of Business. The Board of Directors believe that Michael’s 20 years of AdTech experience and proven track record in driving accelerated growth, AI-driven innovation and scale allow him to make valuable contributions to the Board of Directors.

  • Nathalie Balla

    • Independent Director

    Nathalie Balla has served as a member of our Board of Directors since June 2017. From 2014 to 2022, Nathalie served as Co-Chair and Chief Executive Officer of La Redoute and Relais Colis, and from 2009 to 2014, she served as Chief Executive Officer of La Redoute, a subsidiary of Kering. Nathalie has also served as member of the Board of Directors of Edenred SE (since 2023), of the supervisory board of IDI (since 2021), and of the supervisory board of DEE Tech (from 2021 to 2023). Nathalie has a Master Degree from École supérieure de commerce (ESCP-EAP) of Paris and a PhD in Business Administration from Sankt Gallen University. The Board of Directors believes that Nathalie brings extensive experience in Retail Media and has a keen understanding of how to successfully influence customers at points of purchase having served as CEO of La Redoute, the number one retailer for apparel and home & decoration in France and one of Europe’s largest home shopping organization. Throughout her career, she has led multi-country teams in the retail industry, including serving as a key leader in charge of international operations at German retailer Quelle and Neckermann and as the CEO of La Redoute at Redcats, part of Kering. She brings considerable expertise in defining and executing business transformations, having spearheaded the successful turnaround and transformation of Relais Colis and La Redoute. Her profound experience in retail digitalization and her capacity to design new business models that generate profitable sales where instrumental in this efforts. She has also a valuable expertise in corporate finance and M&A as she led the sale of La Redoute to Galeries Lafayette Group and Relais Colis to Walden Group in 2022.

  • Stefanie Jay

    • Independent Director

    Stefanie Jay was appointed to Criteo’s Board of Director in June 2025. From 2021 to 2024, Stefanie served as Senior Vice President and Chief Business and Strategy Officer of eBay and from 2015 to 2021 she served in positions of increasing responsibility with Walmart, including as Vice President and General Manager of Walmart Media Group (now Walmart Connect) where she transformed its advertising technology stack, substantially growing revenue and significantly scaling the platform. She also spearheaded global M&A and business development initiatives at Walmart, securing the acquisition of Jet.com and key strategic investments and partnerships with JD.com, Uber, Lyft, and Google. Prior to that, Stefanie spent over a decade from 2001 to 2015 at Goldman Sachs, where she held leadership roles in investment banking and client strategy, including in its Consumer and Retail Group. Since 2021, she served as a board member of MiniLuxe Holding Corp and from 2021 and 2022 she served as a board member of PWP Forward Acquisition Corp. Stefanie holds a Bachelor of Arts in Economics from Columbia University. The Board of Directors believe that Stefanie’s 20 years of experience across omnichannel retail, e-commerce and global digital marketplaces as well as her strong experience in global strategy, corporate development and her deep understanding of capital markets qualify her to serve on and allow her to make valuable contributions to the Board of Directors.

  • Marie Lalleman

    • Independent Director

    Marie Lalleman has served as a member of our Board of Directors since April 2019 and also serves as chairwoman of the nomination and corporate governance committee. Since 2021, Marie has acted as senior advisor to the CEOs and C-Suite of various global Media, Retail and Data Analytics companies, she has been Global External Advisor at Bain & Company for the Customer/Marketing (CME), Data and Retail practices since July 2023, and a member of the Advisory Board of Tech-For-Retail European Conference (since 2023). Marie has also been a member of the Advisory Board of VusionGroup since 2024.  From 2017 to 2021, Marie was Executive Vice President, Global Strategic Partners, at The Nielsen Company, leading commercial strategies with global e-retailers and e-media platforms including Amazon Retail & Advertising. From 2007 until 2017, she has held various other executive and leadership positions for Nielsen Europe and Nielsen Global Retailer Executive Teams. Marie has been a member of the board of directors of PayFit SAS, and chairwoman of the remuneration committee (since 2023), and a member of the board of directors of Trainline (since January 2024). From 2021 to 2024, Marie was a member of the board of directors, and chairwoman of the nomination & remuneration committee, of Patrizia SE. She received a business degree in International Business Management & Administration from ESC business school (Kedge). The Board of Directors believes that Marie has extensive Retail Media and AdTech expertise as well as strong strategic and business transformation experience given her previous leadership roles at Nielsen. She leveraged her deep expertise in retail, e-commerce and digital media to lead Nielsen in navigating digital disruption and business model transformation. The Board of Directors believes that Marie brings extensive experience in understanding how retailers transform their business models implementing innovative enterprise data strategy and Retail Media solutions having served as Global Strategic Partner with Nielsen for e-commerce, digital media & retail global players, and through her current retail advisory practice.

  • Edmond Mesrobian

    • Independent Director

    Edmond Mesrobian has served as a member of our Board of Directors since February 2017. From 2018 to 2022, Edmond served as Chief Technology Officer of Nordstrom, Inc. where he was responsible for implementing the group’s first Retail Media solution. During his stay, he focused on transforming the company into a digital first enterprise interconnected by the Nordstrom Analytical Platform to power customer, merchandising and inventory processes. From 2015 to 2018, he also served as Chief Technology Officer of Tesco PLC, a grocery and general merchandise retailer. As part of the company’s One Tesco initiative, he focused on strengthening the company's technological capabilities and creating innovative solutions for its customers. From 2011 to 2014, he also served as Chief Technology Officer of Expedia, Inc., an online travel company. Mr. Mesrobian, in May 2025, joined the Board of Entain, one of the world’s largest sports betting and gaming groups. Edmond holds a B.S. degree in math and computer science, an M.Sc. degree in computer science and a Ph.D. in computer science with a focus on computer vision, all from University of California, Los Angeles. The Board of Directors believes that Edmond’s extensive experience as an information technology executive, including for retailers, and his demonstrated expertise in crafting and executing corporate strategies to drive growth and innovation allow him to make valuable contributions to the Board of Directors.

  • Rachel Picard

    • Independent Director

    Rachel Picard has served as a member of our Board of Directors since 2017. Previously, Rachel served as chairperson of our Board of Directors from July 2020 to April 2024, and served as chairwoman of the nomination and corporate governance committee from 2017 to 2021 . Starting in 2024, Rachel became Chief Executive Officer of Velvet (formerly Proxima), the first independent high-speed train operator in France. From 2014 to 2020, Rachel was the Chief Executive Officer of SNCF Voyages. Prior to that, she was the Chief Executive Officer of SNCF Gares & Connexions at SNCF Group from 2012 to 2014. From 2010 to 2012, Rachel was with Thomas Cook Group, first as Deputy General Manager of Tour Operating and Marketing, and subsequently as Chief Executive Officer of Thomas Cook. Over the last five years she also served as a board member of AXA S.A., a French multinational insurance public company (since 2022), Rocher Participations (from 2020 to 2024), and Compagnie des Alpes, a French public company (from 2009 to 2022). She has a Master’s Degree from HEC Paris. The board of directors believes that Rachel brings extensive expertise in overseeing and executing successful transformations of large businesses as she led a comprehensive transformation of SNCF Train Stations and the TGV business model. She also brings her expertise in building digital and ecommerce strategies given her 20 years of experience leading innovative product design projects. Her strategic vision has also supported early integrated digital efforts in e-commerce, including as the former Head of voyages-sncf.com. Her first-hand knowledge in developing and executing digital strategies adds significant digital innovation and ecommerce expertise to Criteo.

  • Ernst Teunissen

    • Independent Director

    Ernst Teunissen has served as a member of our Board of Directors since June 2024. From 2015 to 2022, Ernst served as Chief Financial Officer of Trip Advisor and Chief Executive Officer of its business units Viator, TheFork and Cruise Critic, where he was responsible for multiple acquisitions, investments and joint ventures. He previously served as Executive Vice President and Chief Financial Officer of Cimpress N.V., formerly known as Vistaprint N.V., where he oversaw revenue growth from $600 million to $1.8 billion and multiple successful acquisitions. Prior to joining Cimpress, Ernst was a Founder and Director of two corporate finance and management consulting firms. Before that, he was an investment banker in Morgan Stanley's Media and Communications Group and in Deutsche Bank's Global Telecommunications Group. He currently serves as a member on the Supervisory Board of LuxExperience (since 2025), the Board of Directors and Audit Committee of Printful (since 2024), and he is also a member of the Supervisory Board & Audit Committee of Just Eat Takeaway.com since 2024. He holds a BBA from Nijenrode University, The Netherlands School of Business, and an MBA from the University of Oregon. The Board of Directors believe that Ernst’s 30 years of experience in consumer internet, online marketplaces and advertising, global capital markets, M&A as well as strategy, qualify him to serve on and allow him to make valuable contributions to the Board of Directors.