.About the job Our Team : As an MSL, you will be the trusted scientific partner in the field for external experts and decision-makers (incl. KOLs, haematologists, pneumologists, nephrologists, and other scientific stakeholders) engaging in mutual scientific exchanges to accelerate data dissemination on a first-in-class therapy in chronic Graft Versus Host Disease. You will be primarily responsible to enhance the understanding of the scientific and medical value of our innovative product in the therapeutic area. Reporting to Transplant Medical Lead, this role is strategically positioned to realize the ambition for Transplant Unit and contribute to the overall future success of Sanofi. Your core responsibilities will include : Being the trusted scientific partner to key external experts (incl. KOLs, haematologists, pneumologists, nephrologists, and other scientific stakeholders), establishing and maintaining robust, long-term peer relationships. Conducting high-touch scientific exchange with experts from key accounts (e.G., KOLs in Centers of Excellence) and beyond (e.G., broader HCP groups/scientific stakeholders outside of Centers of Excellence) to convey a compelling and highly scientific narrative on Chronic Graft versus Host disease stages and SOT. Engaging with experts from key accounts (e.G., KOLs, haematologists, pneumologists, nephrologists, and other scientific stakeholders in Centers of Excellence) to share scientific data, answer scientific questions, and support them in developing best practices. Linking internal partners to external thought leaders for education and research collaboration. Disseminating scientific information including innovative medical education materials and research concepts to KOLs and fostering medical and scientific information exchange between the medical community. Tailoring engagement to the different segments of stakeholders, based on comprehensive stakeholders' mapping (incl. KOLs, haematologists, pneumologists, nephrologists, and other scientific stakeholders) and local go-to-market model. Working with cross-functional team to leverage an omnichannel approach in the engagement with external experts and orchestrate a high-touch & personalized engagement across different innovative channels (e.G., social media, peer-to-peer communities, websites, online portals, etc.). Operating in cross-functional teams in agile settings with self-organized teams around main customer accounts to support patients. Keeping up to date about medical and scientific developments in the Transplant and cGVHD field. Promoting experience sharing among key external experts (incl. KOLs, haematologists, pneumologists, nephrologists, and other scientific stakeholders) to reinforce disease awareness. Gathering data and identifying insights from in-field stakeholder interactions and providing feedback to the cross-functional organization to feed the Medical Glocal strategy (e.G