Act as a senior consulting firm partner with 15+ years of experience in client relationship management. Design a comprehensive loyalty program tailored for [INDUSTRY] consulting clients that incentivizes repeat engagements and referrals. Outline [3-5 TIERED BENEFITS] (e.g., priority scheduling, discounted retainers) scaled by annual spend, and specify [METRICS] to track program success (e.g., client retention rate, referral conversion). Include a [COMMUNICATION STRATEGY] for rolling out the program to existing clients while maintaining exclusivity. Provide concrete examples of how this would work for a [SPECIFIC CLIENT TYPE] within your industry.