John Yeld 3 Aug 2023
Erikas Mwisi Kambale 19 Oct 2022
Issued by North-West University (NWU) 18 Mar 2022
Dr Eunice Ubomba-Jaswa and Dr Nonhlanhla Kalebaila 26 Jul 2021
Michael Taylor 24 Jun 2021
Issued by Sappi 24 May 2021
Issued by Sappi 21 Sep 2020
Jaime Leigh Johnson and Jacqueline L Raw 26 Feb 2020
Andrea L. Baden 27 Dec 2019
Melanie Flynn 14 Oct 2019
Philip Donkersley 21 Aug 2019
Sarah Wild 20 Jun 2019
Issued by Ginkgo Agency 6 Feb 2017
Issued by Primedia Outdoor 21 May 2018
James Dyke 24 Jun 2015
Pavithra Rao 13 Jan 2014