Brian Lesser is Global CEO of Xaxis, a digital media company servicing over 2700 clients in 32 markets across North America, Europe, Asia Pacific and Latin America. Xaxis programmatically connects advertisers and publishers to audiences across all addressable media channels through the expert use of anonymous consumer data, advertising technology and media relationships. Advertisers working with Xaxis achieve higher ROI from digital marketing campaigns. Publishers deliver relevant content and advertising to new and valuable audiences.

Prior to founding Xaxis, Brian was Senior Vice President and General Manager of the Media Innovation Group (the MIG), a company he started in 2007. As the leader of the MIG, WPP’s first technology development organization dedicated to media buying and optimization, Brian created the first integrated data management, targeting and ad delivery platform for media agencies. He was instrumental in creating the first and largest agency trading desk, the rapid success of which led to the formation of Xaxis.

Before leading the MIG, Brian was Vice President of Product Management and Director of Product Marketing at 24/7 Media, a global media and technology firm acquired by WPP in 2007 and merged into Xaxis in 2014. Brian has over 18 years of experience in advertising and technology.

Brian has a BA from the University of Pennsylvania and an MBA from Columbia Business School. He is regularly quoted in business publications and has been a featured speaker at various conferences. Brian sits on the WPP Digital Advisory Board, the GroupM Global Digital Executive Committee, and the 4A's Data Advisory Council. He was named one of Advertising Age's 40 Under 40 in 2014. Brian is an advisor to emerging advertising technology companies and lives in New Jersey with his wife and two sons.