Seb Rennie

Seb Rennie serves as the Chief Commercial Officer and Executive Head of LiSTNR Commercial at Southern Cross Austereo since March 2023. Prior to this role, Seb held the position of Chief Investment Officer for GroupM Australia & New Zealand from June 2021 to March 2023 and previously from July 2018 to June 2021, overseeing comprehensive media negotiations and business development. Seb's career includes significant experience in leadership roles at MEC and MediaCom, where responsibilities encompassed media investment management, client trading KPI delivery, and staff development. Seb began in the media industry as an Exec to Planner/Buyer at MediaCom UK in 1998.