New Light Reaction CEO Walczak Wants More From Mobile

BARCELONA — The latest data-driven ad-tech operation under the WPP stable is Light Reaction, launched by WPP’s programmatic division Xaxis a year ago to put a performance spin on mobile-first ad sales. That company just named the former PubMatic exec Bob Walczak as its CEO, and Walczak says mobile could be the key that unlocks the door to […]