In 1982 he was recruited by a Massachusetts-based biotechnology firm, Collaborative Research, to investigate the genetic cause of cystic fibrosis at HSC's cystic fibrosis clinic at Toronto.
En 1982, une entreprise de biotechnologie du Massachusetts, Collaborative Research, l'engage pour chercher la cause génétique de la muscoviscidose à la clinique de muscoviscidose du HSC de Toronto.