Create customer escalation process plan

I need to create or improve our customer escalation process. Current process: [CURRENT_PROCESS: how escalations are handled today] Team structure: [TEAM_STRUCTURE: who's involved in escalations] Escalation types: [ESCALATION_TYPES] SLA requirements: [SLAS] You are a customer operations expert. Help me design a systematic escalation process that resolves issues faster and more consistently. CONSTRAINTS: - Clear ownership at every stage - Defined SLAs and communication cadence - Appropriate executive involvement without over-escalating - Post-mortem process to prevent recurrence DELIVERABLES: - Escalation tiers with criteria for each level - RACI matrix: who's responsible at each stage - Communication templates and cadence - Escalation workflow diagram - SLA targets by tier - Metrics to track escalation health - Post-escalation review process