Sarah Davies is a Principal and HSST Clinical Scientist with a new focus on External Quality Assessment. Within routine Clinical Biochemistry laboratories in NHS University Teaching Hospitals she has acquired extensive routine and specialist analytical experience. Her clinical interests lie in cardiovascular disease (particularly lipids and high-sensitivity cardiac troponin) and adrenal biochemistry (particularly Primary Aldosteronism), developed through roles on the MACROS2 trial, Adrenal Multi-disciplinary Teams and lipid service improvements (2021-2025). She applies these clinical insights to drive service improvements, notably through the Renin and Aldosterone Standardisation and Harmonisation (RASH-UK) group. Her emerging interests (2025) include Corresponding Membership of the IFCC Committee on Traceability in Laboratory Medicine Committee, Membership of JCTLM Review Team for Non-Peptide hormones and joint Royal College of Pathologist Clinical Lead for Guideline Adjudication.