Peter Vann trained in Auckland rotating through the hospitals since 1985.
He passed the FRACS in General Surgery in 1993 and was a Consultant Surgeon at Auckland Public Hospital prior to being selected into the Royal Australasian College of Surgeons Postfellowship Vascular Programme.
He spent the first year of his Vascular Fellowship at the Royal Melbourne Hospital, under the tutelage of De Bakey and Crawford trained Vascular surgeons and the second year at the Princess Alexandra Hospital in Brisbane.
He passed the FRACS in Vascular Surgery in 1998, and is the first New Zealand Surgeon to obtain this fellowship by examination. He also holds both fellowships of the Royal College of Surgeons of England and Edinburgh by examination. He then worked as a specialist vascular fellow, in the UK with Professor Sir Peter Bell, world renown for his pioneering work in Endovascular and Vascular techniques.