Gabriel Oniscu is the Professor of Transplantation Surgery and Head of Transplant Division at the Karolinska Institutet in Stockholm. He completed his surgical and transplant training in Edinburgh, Birmingham and Kings College London and is a Fellow of the Royal College of Surgeons of Edinburgh and Royal College of Surgeons and Physicians in Glasgow. He is the past Director of the Edinburgh Transplant Centre and former Transplant Advisor to the Chief Medical Officer in Scotland.

His clinical focus is multi-organ transplantation. Gabriel has been one of the pioneers in the field of novel organ perfusion and preservation technologies in the UK and has made a significant contribution to the development of Normothermic Regional Perfusion in DCD donation. 

He has a particular research interest in the role of technology in transplantation, organ perfusion and reconditioning and optical sensing.Prof Oniscu is the recipient of the NRS Career Research Fellowship, an MRC confidence in concept award for technological developments relating to normothermic perfusion and an MRC Clinical Academic Research Partnership grant to investigate therapy delivery during ex situ liver perfusion. He published 135 papers, 15 book chapters, edited two books and gave over 100 invited lectures at international conferences.

Prof Oniscu is the President of the European Society for Organ Transplantation.