Gro Gidske, PhD, has more than twenty years’ experience with external quality assurance (EQA) for medical laboratories. As Head of EQA Material Production at the Norwegian Organization for Quality Improvement of Laboratory Examinations (Noklus), she plays a central role in the development, management, and accreditation of EQA schemes. She currently serves as President of the European Organisation for External Quality Assurance Providers in Laboratory Medicine (EQALM) and is also a chair and member of several working groups in EQALM. She represents EQALM in the European Federation of Clinical Chemistry and Laboratory Medicine (EFLM) Committee on the Preanalytical Phase. Gro is actively involved in Noklus’ and EQALM’s work in the 23IND02 COMET project, which aims to improve the availability of commutable Certified Reference Materials and EQA materials for standardisation and post-market surveillance of in vitro diagnostic (IVD) tests.