Sean Seamer
Chief Commercial & Strategy Officer - EMG / Gravity Media

Sean is at the forefront of shaping EMG / Gravity Media’s market presence and growth trajectory. His mandate includes driving commercial strategy, identifying new business opportunities, and ensuring alignment between business goals and market trends, positioning the combined business as a leader.

Bringing a wealth of global experience, Sean has held executive positions across a variety of major sports and media organisations and worked closely with Gravity Media as CEO of Supercars, the company behind Australian touring-car competition the Supercars Championship. A dual US and New Zealand national with a unique overview of global markets, before joining us Sean helped rebuild the business and cultural plan at MediaCom, and was instrumental in creating GroupM, one of the world’s leading media investment companies.

Sean Seamer