Matt Hall is a Consultant Nephrologist at Nottingham University Hospitals and current Lead for the UK Pregnancy and Kidney Disease Rare Disease Group. He runs a joint renal-obstetric clinic seeing women with all aspects of kidney disease during pregnancy.

Catherine Nelson-Piercy is a Consultant Obstetric Physician and Professor of Obstetric Medicine at Guy's & St Thomas' and Imperial College Healthcare Trust in London. She co-edited the first edition of this book and is the author of the Handbook of Obstetric Medicine (2015), now in its fifth edition. She is past president of the International Society of Obstetric Medicine and co-editor of its journal Obstetric Medicine.