HRH Charles III

King of the United Kingdom

2021

HRH Willem-Alexander

King of the Netherlands

2009

HRH Rania Al-Abdullah

Queen Consort of Jordan

2013

HSH Prince Albert II of Monaco

Head of State Principality of Monaco

2021

HE Joko Widodo

President of the Republic of Indonesia

2020

HE Armen Sarkissian

Former President, Republic of Armenia

HE Paul Kagame

President of the Republic of Rwanda

2020

HE João Lourenço

President, Republic of Angola

Dr.-Ing. Christian Bruch

President and CEO, Siemens Energy AG and President and CEO of Siemens Gas and Power Management GmbH

HE Josaia Voreqe Bainimarama

Prime Minister of the Republic of Fiji

2020

Antonio Guterres

Secretary-General of the United Nations

Ban Ki-moon

Former Secretary-General of the United Nations

2016

HE Miroslav Lajčák

President of the 72nd Session of the UN General Assembly

2018

Dr. Agnes Kalibata

President of the Alliance for a Green Revolution in Africa (AGRA)

Rt Hon Alok Sharma MP

Former President, COP26

HE Grace Fu

Minister for Sustainability and the Environment of the Republic of Singapore

HRH Prince Abdulaziz bin Salman bin Abdulaziz al-Saud

Minister of Energy for the Kingdom of Saudi Arabia

HE Dr Sultan Al Jaber

COP28 President, Minister of Industry and Advanced Technology, UAE Special Envoy for Climate Change, Chairman of Masdar

HE Suhail Mohamed Al Mazrouei

Minister of Energy and Infrastructure, United Arab Emirates

2023

HE Dr Thani Al Zeyoudi

Minister of State for Foreign Trade, UAE