​Deputy Crown Prince Mohammed bin Salman bin Abdulaziz, Second Deputy Premier, Minister of Defense and Chairman of Board of Directors of Misk Charitable Foundation and the Ministry of Labour and Social Development have signed with the co-chairman of Bill and Melinda Gates Foundation, Mr. Bill Gates, a co-operation agreement for training Saudi leaders working in the charitable field, transferring the best means of governance to charitable foundations in the Kingdom of Saudi Arabia, and developing charitable products in the Kingdom.