| ExpertLevel 3 | EExpertProcess Safety | EExpertProduction Assurance | EExpertMaintenance & Reliability | EExpertAsset Integrity | EExpertHSE & Environmental Management | Expert Operational Excellence Lead Expert certificate held in all five pillars |
|---|
| PractitionerLevel 2 | PPractitionerProcess Safety | PPractitionerProduction Assurance | PPractitionerMaintenance & Reliability | PPractitionerAsset Integrity | PPractitionerHSE & Environmental Management | Practitioner Operational Excellence Practitioner certificate held in all five pillars |
|---|
| FoundationLevel 1 | FFoundationProcess Safety | FFoundationProduction Assurance | FFoundationMaintenance & Reliability | FFoundationAsset Integrity | FFoundationHSE & Environmental Management | Foundation gate to Expert level All five Foundation certificates are required before any Expert certificate can be attempted. |
|---|