George is the co-investigator on two NIH-funded research studies aimed at the prevention of peanut allergy titled the LEAP and LEAP-On studies.
Additional research interests include exercise-induced anaphylaxis syndromes where George is visiting professor to the department of sport and exercise sciences, Northumbria University.
George is also an honorary senior lecturer in the Department of Child Health, University of Cape Town where research is focussing on the rise of food allergy in the developing world.