Danielle Moncrieffe, PhD is a Research Associate and Partnership for Clean Competition Research Fellow at the Drug Control Centre at King’s College London. She has been developing novel liquid chromatography methods to detect growth hormone doping by quantifying the biomarker procollagen III amino-terminal propeptide (P-III-NP). Danielle explains what P-III-NP is, its clinical relevance, and its relevance in anti-doping. She also shares her experiences as a PCC Fellow and the benefits of this fellowship.