H.E. Dr. Denis G. Antoine is the current Ambassador Extraordinary and Plenipotentiary of Grenada to the People's Republic of China (PRC). His functions include full responsibilities for maintaining effective diplomatic relationship between the PRC and Grenada and promoting his country's interest within the global community.

He is the Former Ambassador/Permanent Representative of Grenada to the United Nations from 2013 to 2016. In this role, Ambassador Antoine was elected and served as the Vice President of the 69th Session of the United Nations General Assembly.

Before being called by his country to serve at United Nations, Ambassador Antoine was Ambassador At-Large and Executive Director of the Office of International Programs and Exchange at University of the District of Columbia in Washington, D.C. from 2009 to 2013.

During his tenure at the University, the Ambassador engaged in Education Diplomacy, which included leading high-level delegations to countries such as Thailand, India, Egypt, China, Nigeria, Liberia, Ghana, Equatorial Guinea, London and Sunderland in the United Kingdom. He worked closely with the Embassies of the Golf States, and other diplomatic Missions in Washington, DC to promote negotiate and sign cooperation agreements with institutions of higher education; and conduct education seminars.