In December 2015 John retired after twelve years as Head Teacher of Saffron Walden County High School. Prior to joining SWCHS John was, for six and a half years, the Head Teacher of Notley High School in Braintree. Since 2011 he had also been Chief Executive of the Saffron Academy Trust. John was designated a National Leader of Education in 2011 and has led and coordinated improvement programmes to raise standards in several schools facing challenging circumstances. He now works as an independent education consultant and leadership coach. John is contracted currently by the Department for Education (to investigate the performance of sixth forms in the East Region); the Cambridgeshire Secondary Heads Association; and a number of Local Authorities, trusts and schools.