Spetsaris joins the company from analytics firm (m)Phasize, where he was managing partner, leading client insights and analytics. Prior to that, he was senior vice-president at Nielsen, responsible for global analytics engagement, and he has also held roles at The Modeling Group and MMA (Marketing Management Analytics).

Based in Analytic Partners’ New York office, he will consult with clients on measurement and analytic strategies across international markets and be responsible for optimising the company’s products.

Nancy Smith, president and chief executive, Analytic Partners, said: “Konstantinos possesses the vast industry experience and knowledge needed to think deeply about analytics and achieve our mission of turning data into expertise for our clients on a global level. He has worked with some of the biggest consumer brands in the world, and we are proud to welcome him to the Analytic Partners.”