John Tigg is the Senior Vice President, Buyer Development, Europe at Index Exchange, the global advertising exchange. Based in London, Tigg is responsible for driving growth for marketers across Europe, with a focus on understanding buyer needs and aligning them with Index’s suite of products and services. Tigg also manages supply-path-optimisation (SPO) initiatives.

Tigg has provided ad tech solutions to global media agencies and agency holding companies for the past 20 years. Prior to Index he was EVP, Global Buyer Development & GM International for Yieldmo, responsible for the global advertiser and agency business, leading sales globally. He also held leadership roles at TiggSystems, Noddus and Cadent.