Gemma is a Global Portfolio Manager at Avantor, based in the UK, responsible for the self-manufactured chromatography portfolio which includes HPLC, UHPLC, GC, TLC and sample preparation columns and workflow solvents. Gemma has over a decade of experience working in the Hichrom technical support team, troubleshooting chromatography methods, recommending suitable column chemistries and supporting the vast range of chromatography columns. Additional experience in HPLC column manufacture and business development are used to support the portfolio. Originally a Biochemist, focus areas include the analysis of biomolecules and polar analytes by various chromatographic techniques and working in close collaboration with the Avantor R&D and applications teams.