J.John, a Greek-Cypriot by birth, lives in Chorleywood, Hertfordshire. He is married to Killy and they have 3 sons, Michael, Simeon and Benjamin. J.John became a Christian in 1975. J.John has been described as refreshing, humorous, passionate, earthy, accessible and dynamic.

J.John is regarded as one of the most creative Christian speakers with an appeal that transcends gender, age, race, culture and occupation. His much-loved art of storytelling helps people to discover spiritual meaning in a way that makes sense of everyday life.

To date, he has completed thousands of speaking engagements at conferences, towns, cities and universities in 54 countries on 6 continents. J.John has authored 21 titles, and there are over million copies of his books in print in thirteen languages.

J.John believes that contemporary society is showing many alarming signs of having turned its back on God or just being unaware of His existence. He argues that the loneliness and anxiety and broken relationships that trouble many people are often symptoms of this separation. J.John believes that a lot of people's understanding of Christianity is a misunderstanding. In his own inimitable style he enables his listeners to understand that Christianity is not only reasonable, but relevant and vitally important.