Peter Hammer is the Managing Director of the Marketing Scientist Group, a research and data company using science and technology to help media businesses and marketers grow their brands. He was previously the Head of Insights and Analytics across Asia-Pacific for Warner Bros Discovery, and has held senior research, data and strategy roles at Yahoo7 and Turner Broadcasting, and is an alumnus of the Ehrenberg-Bass Institute.

Peter specialises in audience measurement, content/advertising effectiveness and brand research. His work is regularly featured in trade media and global conferences, and he is published in the Journal of Advertising Research.