Dr Rosseau is Clinical Professor of Neurosurgery at George Washington University School of Medicine and Health Sciences in Washington, D.C., and Adjunct Professor of Global Neurosurgery at Barrow Neurological Institute in Phoenix, Arizona.  Her fellowship in microvascular and cranial base surgery at University of Pittsburgh led to a career in skull base surgery, with a focus on pituitary tumours and microvascular compression syndromes.  She has been involved in global neurosurgery all her career and is a leader in the global surgery movement.  She is the elected Chair of the Board of Directors of the G4 Alliance, the global advocacy organization for surgical, obstetric, trauma and anaesthesia care. She has authored over 350 peer-reviewed publications and been invited as Visiting Professor at over 20 universities.  She is Global Champions Editor for World Neurosurgery, and Section Editor in Global Neurosurgery for Neurosurgery.   

She is one of the core leaders of the Boston Declaration 2025, and of the new International Society for Global Neurosurgery, which is designed to create a unified vision and concrete advances for neurosurgical care worldwide.