
Ruth March, PhD, is Senior Vice-President Precision Medicine and Biosamples at AstraZeneca
As a member of the senior leadership team in AstraZeneca’s R&D Oncology group, I lead our Precision Medicine and Biosamples (PMB) function. PMB plays a critical role in AstraZeneca, using patients’ individual characteristics – usually detected by biomarkers or diagnostic tests in human biological samples – to match them with the best medicines for treatment.
PMB’s vision is to accelerate cure – from samples to precision medicines - by harnessing the power of biological insights gained from human biological samples to accelerate the delivery of transformative medicines to our patients. It is this ambition that drives our day-to-day work – to make a meaningful difference to patients.
I am accountable for development of novel diagnostics and management of human biological samples for AstraZeneca’s drug projects in all therapy areas and phases of drug development. To date, PMB has successfully launched over 58 diagnostic tests for six Precision Medicine drugs across all major commercial regions (EU, US, China and Japan)
PMB led the way with many industry firsts;
- 1st drug label based on circulating tumour DNA
- 1st FDA approval of a lab-based companion diagnostic
- 1st point of care diagnostic for respiratory disease
Leading innovation
Constantly pioneering, I am sponsoring the transformation of AstraZeneca’s use of Human Biological Samples, (HBS), creating end-to-end digital systems that will drive the next generation of innovative medicines for patients. Driving the future, we are harnessing the power of AI-based tools for patient selection with our Quantitative Continuous Scoring (QCS) model.

LATEST PROJECT
WORLD LEADING GENOMICS STRATEGY
FIRST CIRCULATING TUMOUR DNA APPROVAL
Featured publications
Delivering for the future
Our deep scientific and regulatory expertise in diagnostic development and human biological samples represents a unique, industry-leading global organisation, enabling disruptive digital systems for the rapid advancement and approval of innovative new medicines for patients

Precision medicine – targeting the right medicine to the right patient at the right time – is now a critical part of our approach to drug discovery.

Stories from our people and our partners reveal the passion, energy and knowledge that enable us to put science at the heart of everything we do.

Our people share a common purpose: to push the boundaries of science to deliver life-changing medicines.
Veeva ID: Z4-713068
Date of preparation: February 2025
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