Educational Framework to Strengthen the Variant Scientist Workforce in Clinical Genomics

Background The integration of genomics into clinical care has created an urgent need for accurate, standardized variant interpretation. Variant scientists (VS) play a central role in translating sequencing results into clinically actionable findings, yet no formal framework currently supports their professional development. We surveyed practicing VS to identify training routes and knowledge gaps and used these insights to design a training program. Methods A national survey delivered to every practicing VS assessed training background, learning, access to interpretation tools, and professional challenges. A multidisciplinary committee defined core competencies and developed a phased training program. Results Thirty-eight respondents were included. Professional training was mostly acquired through observation of expert analysts (42.1%), followed by hands-on experience (39.5%). Only 18% participated in a dedicated VS course. Key challenges included keeping pace with evolving guidelines (55.2%) and copy number variant (CNV) analysis (47.3%). To help narrow these gaps and support more unified VS training, we developed a comprehensive framework combining theoretical modules, practical rotations, and assessment via a standardized proficiency test, supported by institutional forums and national meetings. Conclusion We deigned a unified, scalable VS training model to address core educational gaps and support standardization of variant interpretation training nationally and internationally.