Perspectum

Oxford, England – October 06, 2026 -- Perspectum, an Oxford-based precision health company, has appointed Warren Cresswell as Chief Executive Officer, bringing more than 25 years of diagnostics and medical device leadership to the firm's push into liver and cardiometabolic disease imaging. The placement was executed by Slone Partners, a nationwide executive search firm serving life sciences and healthcare organizations.

Cresswell previously led Nestlé-owned Prometheus Laboratories through a growth phase

Cresswell served as President and CEO of Prometheus Laboratories, a Nestlé Health Science company, where he directed the diagnostics business through a period of significant expansion. He has built commercial and CLIA-certified laboratory infrastructure supporting FDA-cleared diagnostics in the United States and most recently served as CEO of a precision oncology company.