Owen Yi is a fourth year Chemical Pathology Registrar at Middlemore Hospital Laboratory. He has a special interest in glycosylated ferritin (gFerritin). gFerritin was developed at Middlemore laboratory originally by Leo Lam and has since then passed down to Owen. Apart from gFerritin’s clinical utility, Owen has been investigating its role in explaining the wide differences observed in ferritin results among different assay platforms.