Dr Jonathan Sandler is a Consultant Orthodontist at Chesterfield Royal Hospital since 1993 and served as a Postgraduate Course Director at Manchester University from 1995-2002.
Dr Sandler is currently Training Program Director at Sheffield University and has been a Membership in Orthodontics Examiner since 1997 for both the Royal College of Surgeons of England and Edinburgh.  He was also an ISFE Examiner from 1999-2009. Dr Sandler has been an Examiner for the European Board of Orthodontics for the past 3 years.

Dr Sandler is one of only three British orthodontists with European Board Certification and is author of over 120 peer reviewed publications. He was Chairman of the World Orthodontic Conference in London, 2015 and the President of the Angle Society of Europe for 2017 and 2018.