(Note: Typo got the question off in the wrong direction. The answers from several of you were very helpful. It is Bishop Ball, not Hall.... thanks to all of those who corrected the question.)
At the consecrations / ordinations in Virginia on Sunday of four persons to be bishops in the Church of Nigeria (Anglican Communion) it is reported that there were a number of bishops taking part. Of particular note was Bishop Robert Duncan and Bishop John Ball.
Bishop Duncan is the Moderator of the Anglican Communion Network and Bishop of Pittsburgh, But who is Bishop Ball? Baby Blue lists him as "diocese of Chlemsford." The web page for that diocese lists him as "Honorary Assistant Bishop."
What more is known of him? And why is he the best they could get from England?