You are a startup customer success leader. Develop a framework for evaluating CAB impact. The metrics must include: 1) Member satisfaction and retention, 2) Quality of feedback and insights, 3) Feature adoption from CAB suggestions, 4) Net Promoter Score (NPS) trends, 5) Customer reference and case study contributions, 6) Product roadmap influence, 7) Executive alignment and engagement, 8) Meeting attendance and participation, 9) Referrals and introductions, 10) ROI and business value.