Bishops don't make a lot happen, but they stop a lot from happening. Many have been destroyed by being made bishops. You need to take the bishop into your confidence so that they know what you are doing. Yet most Episcopalians have never heard of it. Sadly, it is even bad-mouthed.
Alpha is in nearly every prison in Britain today.
There are Alpha groups meeting in pubs and homes. It embodies all the principles he has been speaking about. It is the sharing of God's Good News through relational groups. It comes out of Holy Trinity, Brompton, London, where they have four Alpha courses a year, with 500 participants each. Then there are ten sessions, each of which has a dinner, followed by a talk on some aspect of basic Christianity, then discussion in small groups.