Operate a measurable acquisition channel mix with cost-per-registered-HCP and lifetime-engagement targets per channel: SEO, programmatic, society and journal partnerships, content syndication, KOL/HCP referral, paid social on HCP-permitted platforms, and email-driven referral. The Director extracts that intelligence and feeds it back into acquisition, segmentation, lifecycle, and reactivation programs, and sets the suppression and frequency rules that protect audience health while commercial campaigns are in flight.