Dr Livieratos is a Clinical Scientist (Medical Physicist) in Nuclear Medicine at Guy’s & St Thomas’ Hospitals and Reader in Medical Physics at King's College London. He was awarded an NIHR Senior Clinical Lecturership in Imaging Sciences in 2013. He previously worked in PET methodology at Hammersmith Hospital, Imperial College alongside the MRC PET Oncology and PET Cardiology research groups on radiotracer image quantification and novel schemes for patient respiratory motion correction. He subsequently worked as clinical scientist at Guy’s & St Thomas’ in diagnostic and therapeutic applications of radionuclides. This included the commissioning and clinical implementation of the first SPECT/CT in Europe with diagnostic CT. He is actively involved in both undergraduate and postgraduate teaching of medical physics at King’s College and the supervision of post-graduate students and trainee clinical scientists. He is program director for the MSc Clinical Science - Medical Physics at King's College. His research interests include multi-modality imaging, image quantification and analysis for translational applications and patient-specific dosimetry in molecular radiotherapy.