Skip to content

Light Reaction

CEO « Light Reaction


Light Reaction, a mobile-first performance advertising business that is part of Xaxis, has named ad industry veteran Bob Walczak as CEO.

“Bob’s mobile experience encompasses everything from the pre-smartphone era to the present day, with a great resume in developing and launching breakthrough mobile platforms for global advertisers,” said Brian Gleason, global CEO of Xaxis. “We look forward to his leadership in building upon Light Reaction’s strong worldwide momentum as we continue to expand our leadership in mobile and cross-screen performance advertising solutions.”

“Light Reaction has brought an exciting new approach to the performance marketing space, enabling advertisers to pay only for the specific outcomes that directly support their business,” said Walczak. “I look forward to leading the talented Light Reaction team in the next exciting phase of our development.”

About Light Reaction

Light Reaction is a programmatic performance advertising business that sells clearly defined customer outcomes. Part of Xaxis, the world’s largest programmatic media and technology platform, Light Reaction’s mobile-first approach to performance combines scientific insight with the data resources and scale of Xaxis to deliver highly measurable results for global advertisers. Light Reaction is available in 26 markets across North America, Europe, Asia and the Middle East. For more information, visit Light Reaction at

View original press release at