Frances Duncan 19 May 2021
Karen Rial-Lovera 24 Dec 2019
Munyaradzi Makoni 25 Nov 2019
Eunice Anyango Owino 16 Sep 2019
Duncan MacFadyen 6 Sep 2019
Elena Gómez Díaz 25 Apr 2019
Charles Shey Wiysonge 27 Nov 2018
Jessica Tennant 13 Jul 2018
Andrew D. Hwang 11 Jul 2018
John F. Tooker 28 Jun 2018
Eunice Anyango Owino 23 Apr 2018
Esther Ndumi Ngumbi 22 Mar 2018
Renu MODI 23 Aug 2017
Mark Brown 16 Aug 2017