Our People

Infectious Media was founded in May 2008 by Andy Cocker and Martin Kelly, two pioneers of the UK digital media agency scene. Their vision was to create an advertiser facing proposition based on a data and technology-centric skill set and infrastructure. Today we are a team of statisticians, analysts, engineers, digital media practitioners and business operations professionals. We don’t conform to traditional media agency models; instead we reflect the new world of real-time online display with the specialist skills needed to deliver excellence for our clients. For us a great day starts with data and ends with happy clients enjoying great results for their online advertising campaigns. As a team we enjoy lots of great days!


Andy Cocker COO and Co-Founder

Andy is a seasoned digital media practitioner being one of the founding members of Zenith Interactive Solutions in London, 1999, developing its buying division up to the merger with Zed and Optimedia in 2003. Prior to starting Infectious Media, Andy was Group Trading Director for Aegis' Isobar Group, where he was responsible for the digital buying product and investment of the largest digital media buying pool in the UK, across five major agencies, including Carat, Vizeum and Diffiniti. Andy started his career in media as a TV planner/buyer.


Martin Kelly CEO and Co-Founder

Martin Kelly started his career as a press planner and buyer at Zenith Media before becoming a founding member of Zenith Interactive Solutions in 1999. Prior to founding Infectious Media, Martin was Board Media Director of Agency Republic, an Omnicom agency, and was voted as one of the UK's top digital media planners in a survey by Campaign Magazine.


Zoë Steventon Managing Director

Zoë has a unique blend of skills, she is a strategic thinker and understands what it takes to develop, drive and maximise brands globally. She is a senior manager with in-depth public relations and communications experience having been an Associate Director in one of the world's leading communication agencies. Her ability to build strong brands led her to become an independent consultant mainly for technology lead start-ups, before taking up the role of UK Marketing Director at SAP, the global market leader in enterprise application software, where she sat on the UK and Ireland board.


Daniel de Sybel Director of Technology and Operations

The fourth employee of Infectious Media, Dan started his career as an Operations Analyst for Advertising.com, where during a six year tenure, he launched the European Technology division, producing bespoke international reporting and workflow platforms, as well as numerous time saving systems and board level business intelligence. Dan grew the EU Tech team to 12 people before moving agency side, to Media Contacts UK, part of the Havas Media Group. At Havas, Dan was responsible for key technology partnerships and spearheading the agency’s use of the Right Media exchange under its Adnetik trading division.


Attila Jakab Client Services Director

Attila started his career as a media planner at Kirowski (ISOBAR), the leading full service digital agency in Hungary where he was responsible for the digital media planning and buying for global brands including Renault, Adidas, DHL and Philips. After moving to London he first joined Diffiniti (ISOBAR), as a senior media planner on BSkyB, one of the UK's largest digital accounts; before moving to LBi, to work on a wide variety brands including M&S, Conservative Party, Provident and Research Now.


Chris Stark Product Director

After several years working in databases and infrastructure as a technology consultant with IBM and PricewaterhouseCoopers, Chris joined the ranks of digital media where he has straddled the technical and commercial aspects of the industry for the last eight years. Chris held senior operational roles at Advertising.com/AOL, before moving on to work with emerging data propositions as MD of Lotame UK and later VP of New Product EMEA at Videology.


Peter Hanford Head of Sales

Peter’s experience of digital marketing initiated from the gaming sector, where he spent over six years working in various marketing roles. During this time he covered affiliate marketing, search, as well as media planning and buying, giving him extensive knowledge of the digital mix and its importance within a wider marketing strategy. Before joining Infectious Media Peter was the commercial director at a full service digital marketing agency; winning key accounts such as Ladbrokes, Time Out and EA.


Stefan Beckmann Country Manager DACH

Stefan is heading up Infectious Media’s expansion in Germany, Austria and Switzerland. Previously he worked for Spil Games, opening their first German office and managing their regional media sales. Before this he worked in sales and marketing for scoyo, Hamburg, and Lycos, where he was responsible for all media sales activities in Spain, Italy and the Netherlands.


Sylvain Deffay Country Manager, France

Having started his career in Financial Controlling within two large American telecommunications groups (MCI WorldCom/Verizon and AT&T), Sylvain moved into digital media as an International Account Director at Microsoft Advertising. During his tenure there, he built a portfolio of some of the biggest European brands in online marketing. Passionate about RTB from its early days, Sylvain took up the role of EMEA Partner Manager on the Microsoft Advertising Exchange before joining Infectious Media to open our first international office, in Paris.