After completing his medical training, he became a foot surgeon with a DSP degree.

DSP 是 Doctor of Surgical Podiatry 的缩写，指"外科足病学博士"学位。这是专门针对足部外科手术治疗的医学博士学位。 foot surgeon 指专门从事足部外科手术的医生，专注于足部疾病和损伤的诊断、治疗和手术。