Reporting directly to Mike Spicer, group managing director of EHS Brann, Minus will be responsible for defining technical strategy and direction, working alongside Euro RSCG 4D's global network and managing technology teams.
During his time at WPP's GT, Minus worked across clients including Premier Inn, Microsoft, Asda, HTC, Norwich Union and Audi.
His work implementing GT's technology partner and alliance strategy allowed for the delivery of the Audi Channel.
Minus said: "Our industry is going through a step change at the moment, driven by the emergence of new marketing and advertisement technology.
"It is imperative that we use these exciting and innovative technology solutions to underpin both our client's business position and the creative ideas we put forward to support this.
"Euro RSCG 4D are in that prime area offering both leading creative and cutting edge technical solutions for clients around the world."
Mike Spicer, group managing director of EHS Brann, said: "Technological advances are more important to our sector than ever before and Chris's appointment reflects EHS Brann's continued commitment to this vital area.
"His experience and enthusiasm made him the obvious choice to help us take our client offering to the next level."