Graham Brown co-founded MediaSense in 2009 after holding senior media roles at leading advertising agencies in London and New York. As Managing Director at Carat International, he oversaw multinational clients and developed international product and service offerings. As Group Development Director at Aegis Plc, he lead its expansion into Asia, Latin America and the U.S.

He brings in-depth experience of client and media agency relationships, with extensive experience of pitch management & operating models. After 15 years at the helm of MediaSense as CEO, Graham became Executive Chairman in December 2024.