Graham Harris, the Apostolic Oversight,IAM House of Worship believes in accountability in ministry listed below are people of wisdom and integrity that have known him known him over many years.
These people have freedom to speak into Graham's life and ministry; they regularly get together either as a meeting or by phone and input Godly wisdom and direction .
| Apostle John MacNamara | Apostolic Church Australia | Canberra |
| Apostle Ray McMartin | Apostolic Church Australia | Sydney |
| Apostle Joseph Bowes | Apostolic Church Australia | Melbourne |
| Prophet John Muhleisen | Apostolic Church Australia | Melbourne |
| Apostle Royree Jensen | River of Life Church Aust | Queensland |
| Dr C Peter Wagner | ICA - International Coalition of Apostles http://www.apostlesnet.net/ |
USA |