Vistas in Number Theory, BRIN MRC, University of Maryland, June 3 – 7, 2024

Synthesizing Approaches to the Stark Conjectures, Bristol, England, 2022

Iwasawa Theory Conference, Fields Institute, Toronto 2010

Open questions and recent developments in Iwasawa theory, (in honor of Ralph Greenberg’s 60th birthday), Boston University, 2005

Iwasawa Theory, Besançon, 2004