 In 1923, he became a demonstrator in Anatomy and Physiology, and received the Conjoint Diploma at Liverpool in 1924.Jones became a surgeon at Liverpool Royal Infirmary and Great Ormond Street Hospital after qualifying in medicine.While at Liverpool, he blossomed under the guidance of the eminent orthopedic surgeon Robert Jones (of no relation), who recommended him to be appointed honorary assistant surgeon at the Infirmary in 1926.