Pharmaceutical companies, mid-size and large
Where the decision is split by design. Science chooses the method, sourcing chooses the supplier, and a preferred supplier list can close the segment for years at a time. Long to enter and durable once entered, which argues for reaching the therapeutic area before the sourcing cycle rather than after it.
Who signs: senior director of clinical outsourcing, category manager for clinical services, therapeutic area head, imaging or biomarker lead, VP of data management.