Lock 8 people in a room for 10 days with the charge to do a PHA (Process Hazard Analysis), to develop missing Process Safety Information, to make recommendations to reduce risk and to document all their work—What will result? Frustration and fatigue, or comradeship and accomplishment? The PHA effort must be managed to meet the objectives of the OSHA rule for Process Safety Management of Highly Hazardous Chemicals, and, equally important, to meet the needs of the individuals serving on the team. This paper presents learnings from over 14 years of leading and serving on HazOp teams. Here's how to get the best from the PHA experience.