Massinga was Deputy Chief of Mission in Conakry, Guinea prior to arriving in Khartoum. He joined the Foreign Service in 1995. An Economics Officer, he has served in the Dominican Republic, Chile, Cote d’Ivoire and China, as well as in domestic assignments in the State Department’s Bureau of Intelligence and Research, the Bureau of African Affairs, the Bureau of Energy and Economic Affairs, and at the Office of the United States Trade Representative. Massinga is a graduate of Georgetown University’s School of Foreign Service (1990) and the University of Washington’s Graduate School of Public Affairs (1995). He is the recipient of several State Department Meritorious Honor Awards and a Superior Honor Award.
Massinga is married to Dr. Lauryne Massinga, and between them they have four children. He speaks Spanish, French, and Mandarin Chinese.