Pathwai (BranchLab)

BranchLab is a US healthcare commercialization company that describes itself as a semantic activation platform. It turns complex data into commercial intelligence to improve audience strategy, campaign performance and real-world health outcomes for pharmaceutical marketers.

Its Pathwai platform is designed to predict health outcomes without PHI. Modules cover patient, HCP and caregiver exploration, agentic audience creation and optimization, omnichannel activation and outcomes learning. Customers include pharmaceutical manufacturers, advertising agencies and publishers, with Dentsu Health cited as a partner.

• Audience exploration: patient, HCP and caregiver insights.
• Agentic audience creation: AI-built and optimized target audiences.
• Omnichannel activation: delivery of campaigns across channels.
• Outcomes optimization: learning loop from campaign results.
• Privacy controls: state-by-state privacy updates for marketing activation.

Pharma marketing teams could plan HCP and patient campaigns without personal health data. Healthcare agencies could optimize audience reach and cost per target.

• Audience prediction without protected health information.
• Company-reported 30x faster campaign execution.
• Company-reported 90% reduction in cost per target audience reached.
• One platform across audience, activation and outcomes.

Pharma commercial teams are moving toward privacy-safe, AI-driven audience targeting as access to patient-level data tightens. Pharmaceutical companies and agencies in Vietnam and Southeast Asia face rising data privacy rules and could use similar approaches.

United States. USD 26M Series A in May 2026 led by McKesson Ventures with FCA Venture Partners, Sanofi Ventures and AIX Ventures.