1. 90 days provides the optimal timeframe for meaningful team transformation—long enough for lasting change, short enough to maintain urgency 2. Phase 1 (Days 1-30) focuses on deep listening and understanding before making changes 3. Phase 2 (Days 31-60) implements systematic changes based on Phase 1 discoveries 4. Phase 3 (Days 61-90) reinforces changes and builds sustainable practices 5. Successful transformation requires co-creation with the team, not top-down imposition 6. Quick wins build momentum, but systemic changes create lasting impact 7. Measuring transformation requires inclusive metrics that capture previously invisible value