The International Council for Commercial Arbitration recently published its report on “Cross-Institutional Task Force on Gender Diversity in Arbitral Appointments and Proceedings”. This provides a fascinating insight into the improvements to gender diversity in arbitral appointments that have been achieved in recent years and what has driven them. Claire King reviews the ICCA’s report and asks what lessons could be learned by Adjudicator Nominating Bodies in order to improve the gender diversity of their panels which, in stark contrast, remain stubbornly non-diverse.