Nicholas Embleton is Consultant Neonatal Paediatrician, and Honorary Reader, Newcastle University, and helps lead a broad portfolio of translational research (www.neonatalresearch.net) including NIHR collaborative trials and mechanistic microbiomic and metabolomic studies. He coordinates the Newcastle Preterm Birth Growth study tracking the growth and metabolic outcomes of children who were born preterm into late adolescence. He is a member of ESPGHAN Committee of Nutrition, and the multi-disciplinary Neonatal Nutrition Network (N3). He is also clinical lead for qualitative studies exploring reproductive and/or neonatal loss (the Butterfly project). Further information on projects, publications, and links to guidelines in the area of twin loss are available. (www.neonatalbutterflyproject.org)