He developed the first approaches to systematically expand the genetic code of eukaryotic cells and pioneered approaches, that are now widely used, for defining protein interactions by genetically encoding photocrosslinking amino acids.

Jason’s work has been recognized by a number of awards, including: the Francis Crick Prize (Royal Society), the Corday Morgan Prize (Royal Society of Chemistry), European Molecular Biology Organization’s (EMBO) Gold Medal, Louis-Jeantet Young Investigator Career Award, Sackler International Prize in the Physical Science. He is in the European Inventors Hall of Fame, a member of EMBO, a Fellow of the Academy of Medical Sciences, and a Fellow of The Royal Society.