Dr Mark Quinn is a clinical academic working between Guy’s and St Thomas’ NHS Foundation Trust department of endocrinology and the King’s College London epigenetics laboratory. Since 2022 he has been working on his PhD which has involved the study of a large cohort of patients with phaeochromocytomas and paragangliomas. Dr Quinn is using a variety of novel strategies in an attempt to identify potential markers of aggressive disease in these rare but often life-threatening tumours.