We want to make advertising more valuable for brands and their customers

At Xaxis, that means:

  • Advancing our technology, data, and expertise to make programmatic media more effective and efficient
  • Listening to clients, partners, and consumers so we can understand and adapt to their changing needs
  • Developing truly accountable commercial models that demonstrate measurable results that prove the value of every programmatic investment

Xaxis is proudly inclusive, innovative, curious, collaborative, accountable, and global.

Experten im Bereich Programmsteuerung

Unser Führungsteam

Nicolas Bidon

Nicolas Bidon ist der globale CEO von Xaxis und verantwortlich für die Gesamtunternehmensstrategie sowie Beschaffung & Logistik in 47 Märkten in Nordamerika, Europa, Asien-Pazifik, Lateinamerika, dem Mittleren Osten und Afrika. 

Nicolas arbeitet seit mehr als 20 Jahren in den Bereichen Daten, Medien und Technologie. Er war in San Francisco, London und der Schweiz tätig und unterstützt globale Marken engagiert dabei, Spitzentechnologie gewinnbringend einzusetzen, um durch ihre Investitionen in digitale Medien die gewünschten Ergebnisse zu erzielen.

Beth LeTendre
CEO, GroupM Performance US

Beth LeTendre is CEO of GroupM Performance, U.S., overseeing Xaxis, Catalyst, and [m]Platform Services teams. She leads high performing, innovation-driven teams comprising more than 800 performance marketing experts across GroupM. Beth’s focus is on growing GroupM’s specialist performance businesses and scaling best practices in the group’s performance-marketing centers of excellence.

Beth is the co-founder of Catalyst where she served as CEO for 21 years. Catalyst is a search, social, and ecommerce marketing agency. Beth founded Catalyst in 1998 and was instrumental in negotiating the 2006 acquisition of Catalyst by WPP, the world leader in marketing communications services. In 2008, Catalyst was placed within GroupM, where Beth oversaw all of GroupM’s search and social business, consistently driving double-digit growth for the agency and leading Catalyst’s global expansion. Beth’s strategic vision and leadership has been key to the development and launch of Catalyst’s industry-leading and proprietary tools like eShelf and FUSION, as well as Catalyst’s top performance in the 2016 and 2017 Forrester Search Marketing Wave.

Arshan Saha
CEO, Asia Pacific

Arshan Saha is the CEO of Xaxis APAC. In his role, Arshan is responsible for Xaxis’ strategy, operations, and growth. These include client development, trading and partnerships, to providing the best programmatic media solutions across the region.

John Wittesaele

John is an experienced and proven leader in digital media and advertising thanks to his comprehensive knowledge and understanding of programmatic advertising.

As CEO EMEA, John leads Xaxis in 25 markets, formulating strategy and overseeing operations to deliver growth. He is an influential thought leader and frequent expert on topics such as AI and outcome-based marketing, regularly speaking at major industry events such as AdWeek Europe.

Juan Moronvelez
CEO, Latin America

Juan Moronvelez is CEO of Xaxis Latin America. Before joining Xaxis, Juan co-founded an array of diverse software development companies. He worked in different agencies in London before joining Xaxis and was responsible for opening the Colombia Xaxis Office in 2014. He then moved to a regional role in which he forged the different areas that support the company across the region, including trading, client development and partnerships. Juan is an enthusiast of MarTech, data management, and passionate about the outdoors. He has a Bachelors’ Degree in Business and Master’s in marketing. Juan is obsessed with helping brands achieve their goals, leveraging the best available technology and talent.

Laura Probert
Laura Probert
Global VP, Talent

Laura arbeitet seit Februar 2016 bei Xaxis als Talent Director, EMEA. Nach 12 Monaten übernahm sie in ihre jetzige Position, Global VP, Talent. Laura hat fast 20 Jahre Erfahrung im Personalmanagement in verschiedenen Branchen, darunter Einzelhandel, Technologie, professionelle Dienstleistungen sowie Werbung.

Mike Bevans Porträt
Mike Bevans
Global VP, Product Solutions, Marketing and Partnerships

Mike is is responsible for leading the product solution and marketing teams and driving innovation globally. Mike brings over 17 years of industry experience across the consumer Internet and digital marketing solutions to Xaxis, including deep experience in programmatic platforms.

Prior to Xaxis, Mike led International Product Marketing and B2B Marketing teams at Yahoo focused on delivering solutions in the areas of Audience Targeting, Personalization, Creative Optimization and Insights and Analytics. Mike, who received his MBA from San Francisco State University, is based and lives in London with his family.

Sara Robertson
Global VP, Disruption

Sara Robertson is Global VP, Disruption at Xaxis. She is responsible for challenging the status quo, staying ahead of industry trends and helping to future-proof our business through careful stewardship of long-shot investments and experimental R&D. Sara also manages the development and success of Copilot, Xaxis’ proprietary artificial intelligence engine. Copilot has employed machine learning techniques to optimize 50,000+ digital advertising campaigns across 47 countries, driving double-digit performance improvements for Xaxis clients. Prior to joining Xaxis, Sara managed the streaming and commerce platforms behind thousands of artists at Warner Bros Records, giving her the opportunity to party with rock stars like Metallica, Tom Petty, and My Chemical Romance.

Henry Stokes
MD, Global Clients

Henry is the Managing Director of Global Accounts at Xaxis where he leads a team that delivers programmatic strategy for some of the world’s largest advertisers. He has 17 years of experience in digital advertising and search marketing, and over 8 years in programmatic media.

Henry began his career at MediaVest before joining Mindshare where he ran the IBM and Nike digital accounts. He briefly left in 2005 to set up Circus Street, a consultancy & training business working for the likes of Nestle, ITV, Guardian, and Sky before rejoining Mindshare in 2009 as Head of Digital. In 2011 he moved to Groupm to lead client development for Xaxis UK. After two years of rapid growth, he repeated that success for Xaxis in Asia, successfully rolling out across 14 markets that saw 10x growth in five years.

With a passion for education and training, Henry delivered the digital marketing course for MsC students at the reputed CASS Business School in London. He’s also developed programmatic 101 training for Xaxis APAC.

Silvia Sparry
Global VP, Operations & Platforms

Silvia leads our global business operations team and is responsible for tools and platforms, operations, and technology. She also aligns our global, regional, and local supply path optimization and risk mitigation initiatives related to brand safety, fraud prevention, and data & privacy compliance, adhering Xaxis to the highest standards.

Silvia has been a part of Xaxis for over 5 years. She has a proven track record of driving positive change thanks to her strong vision and leadership skills, ability to pull teams together, and relentless focus on getting things done.

Michel Gagnon
Global Managing Director, plista

Bevor er zu plista kam, arbeitete Gagnon für PwC in Kanada und Deutschland. Zuletzt war er als Manager für Strategieberatung in Berlin tätig und betreute Technologieunternehmen bei ihrem internationalen Ausbau. Er war außerdem Mitglied im Leitungsgremium des Canada China Business Council und verfügt über langjährige Erfahrung in verschiedenen strategischen und internationalen Geschäftsentwicklungsfunktionen bei Bombardier Inc.

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