Jones fortsatte sin karriere inden for industrien i 22 år som henholdsvis leder af Medical Department ved Fisons Agrochemical Divisions, chef for sikkerhedsvurdering og klinisk farmakologi ved Beecham Pharmaceuticals og administrerende direktør for medicinske anliggender 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.