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The Madison Avenue Field GuideA field guide to marketing & advertising, by Brandon Mina

GlossaryEmail & LifecycleLifecycle Stage

Email & Lifecycle

Lifecycle Stage

A CRM field marking where a contact sits in their relationship with a company, such as subscriber, lead, MQL, SQL, opportunity, or customer.

By Brandon MinaCEO, BrandPilot AIUpdated November 2026

Short answer

A lifecycle stage is a CRM field that marks where a contact sits in their relationship with a company, such as subscriber, lead, marketing qualified lead, sales qualified lead, opportunity or customer. It aligns marketing and sales on definitions and handoffs, triggers stage-specific messaging, and enables funnel reporting on conversion between stages.