Namooya formerly worked at FireBrand's Social Media Library as social media director. He left the agency after a year and a half.
He will report to the agency's new business director Shaun Cooper and digital brand experience director Patrick Furse.
Cooper said: 'Given Zia's insightful experience to date in social media and PR, we believe he is perfectly placed to develop tailored digital solutions for new clients using our in-house PR, digital, social media and PPC experts. Increasingly we are being approached by clients who are looking towards agencies to take advantage of their integrated comms planning skills and business units.'