Mr. Gallagher is a member of the American Society of Transplant Surgeons and the International Hepato-Pancreatico-biliary Association.
Mr. Gallagher was also awarded a fellowship from the European Board of Surgery (FEBS) in Transplantation in 2014. In addition to his general surgical training, he undertook further specialty fellowships in Hepatobiliary and Transplant surgery at the University of Hong Kong, the Royal Infirmary of Edinburgh, and finally, Northwestern University, Chicago, where he graduated from their prestigious transplant surgery program.