Har været ansat 22 år inden for medicinalindustrien som leder af Afdelingen for Lægemidler ved Fisons Agrochemical Divisions, leder af Afdelingen for Sikkerhedsvurdering og Klinisk Farmakologi ved Beecham Pharmaceuticals og administrerende direktør for Afdelingen for Lægemidler ved Merck Sharp and Dohme i USA.
Dr Jones went on to spend 22 years in industry as Head of the Medical Department at Fisons Agrochemical Divisions, Head of Safety Assessment and Clinical Pharmacology at Beecham Pharmaceuticals and Executive Director, Medical Affairs at Merck Sharp and Dohme in the USA.