Geraldine Anne Thomas OBE is a senior academic and Chair in Molecular Pathology at the Faculty of Medicine, Department of Surgery & Cancer, Imperial College London. She is an active researcher in fields of tissue banking and molecular pathology of thyroid and breast cancer. Thomas is also a science communicator and has written opinion editorial pieces and provided comment to the media following the Fukushima nuclear disaster. In 2015 Thomas appeared in the TV documentary series Uranium - Twisting the Dragon's Tail and was called to appear before the Nuclear Fuel Cycle Royal Commission in South Australia in October to answer the Commission's questions regarding the effects and threats of radiation. As of 2016, Thomas is a member of University College London Australia's Nuclear Working Group