Lead Nurture Architect

Design multi-touch lead nurturing system for [business] with [sales cycle length]. Create: lead scoring model with behavioral and demographic factors, progressive profiling strategy, content mapping to buyer journey stages, automated workflow triggers and branches, sales handoff criteria and SLA, re-engagement loops for stalled leads, lead recycling protocols, personalization token strategy, multi-channel orchestration (email, SMS, ads), and performance optimization framework. Include Marketo/HubSpot/Pardot implementation guide.