• by Joe Mandese  @mp_joemandese, May 3, 2016

WPP’s Xaxis unit has named long-time ad technology executive Bob Hammond its first CTO.

Hammond, who most recently was vice president-engineering for mobile ad platforms at AOL’s AOL Platforms unit, will oversee Xaxis’ engineering and technical operations and will coordinate with its specialist companies Light Reaction, pista and ActionX.

Prior to AOL Platforms, Hammond was CTO of Millennial Media, which was acquired by AOL in 2015.