RolodexIsabel Threlfall
IT

Isabel Threlfall

Chief Financial Officer · Quintile Bio
London, England, United Kingdom · LinkedIn ↗

Background

CFO at Quintile Bio, where I'm building the finance function ahead of our Series A. Over the last fifteen years I've led finance through four UK biotech fundraises — from seed at Arclight Pharma through to Series B at Northlight Genomics — and I currently chair the audit and risk committee at Stellaris Bio. Oncology an…

Experience16 yrsCompanies8

Career History

Apr 2025Present1 yr 3 moChief Financial Officer at Quintile Bio
Pre-Series A9 FTEsOncology · Platform therapeutics

Sitting CFO at a 9-person pre-Series A oncology platform out of Edinburgh BioQuarter, currently building the Series A deck targeting a £22M raise in 2026.

Sept 2024Present1 yr 10 moExecutive Director at Helix Therapeutics
Aug 2021May 20253 yr 9 moChair Of Audit Risk Committee at Stellaris BioLondon, England, United Kingdom
Audit chair · Series B biotech

Chaired the audit and risk committee through a £40M Series B and PwC auditor transition at a 60-person antibody discovery company.

Mar 2019Jul 20245 yr 4 moChief Financial Officer at Northlight GenomicsLondon, England, United Kingdom
Series A → Series B14 → 47 FTEs£35M Series B

Led the £35M Series B in 2022 with Cambridge Innovation Capital and Abingworth, scaling finance from a single bookkeeper to a five-person function across two GMP sites.

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