Sebastien Lefebvre current role as Senior Director at Alexion Pharmaceuticals involves providing data sciences capabilities to R&D assisting with BD deal flows, research strategy and orphan disease landscape. In the capacity of a data driven Strategic consultant, playing a catalyst role to drastically improve rare disease diagnostics within NICU/PICU working closely with a few children hospitals on a rare disease diagnostics playbook towards a clinical decision support solution leveraging genetics sequencing and NLP of medical records.