Neil Kleiner, former head of social and content at Golin, has been appointed as partner and strategic director across Porta-owned agencies Newgate Communications and Publicasity.
Kleiner will advise clients on how to enhance their reputations via a mix of social media and broader campaigns online and how to promote themselves.
Kleiner will report to Newgate CEO and Porta chief operating officer Gavin Devine, who said: "Neil's arrival at Newgate represents another important step in the growth of our business. His expertise will be invaluable, both in terms of the advice he can give directly to clients and the way that he will improve the knowledge and capability of our whole team."
Prior to starting his new role, Kleiner was head of social and content at Golin, and head of social media at Havas Media UK.