Sean is a senior member of the Refugee and Migration Division of the Administrative Appeals Tribunal of Australia, based at its office in Sydney. He held office as the Secretary of the Asia Pacific Chapter Council from 2016 to 2021, when he was elected to the position of President of the Chapter. As Chapter President, Sean serves on the Executive of the global IARMJ.
The Asia Pacific Chapter Council is Sean Baker (President), Joy Torres (Vice President), Sue Zelinka (Secretary), Bridget Dingle (Treasurer), Martin Treadwell (Immediate Past President), Andrew Molloy (Council Member), Kay Ransome (Council Member), Christine Cody (Council member), Jade Murphy (Council member) and Louise Moor (Council member).