I believe that is a staff mailing list for staff in leadership positions.
Grace would be in a better position to confirm.

-James

From: <accountability-cross-community-bounces@icann.org> on behalf of "Aikman-Scalese, Anne"
Date: Tuesday 13 October 2015 at 1:34 a.m.
To: 'Greg Shatan'
Cc: Accountability Cross Community
Subject: Re: [CCWG-ACCT] Accountability work headed to Dublin - Fadi's October 11 e-mail to certain "Community Leaders"

P.S.  Do you know who is on the mailing list for global_leaders@icann.org?