Update Events “ai-for-science-summit-2026”

Author: bp374

_events/ai-for-science-summit-2026.md

@@ -18,6 +18,7 @@ Confirmed speakers and panellists include:
 * Dr Sadiq Jaffer, University of Cambridge
 * Professor Neil Lawrence, University of Cambridge
 * Dr Cait Newport, University of Oxford
+* Professor Stephen Roberts, University of Oxford
 * Professor Richard Turner, University of Cambridge
 * Professor Max Welling, University of Amsterdam