Sylvester M. Grigsby was a Liberian politician and diplomat who served as Minister of State for Presidential Affairs under President Joseph Nyuma Boakai and previously held the same position under President Ellen Johnson Sirleaf. Born in Sinoe County and educated at the College of West Africa in Monrovia, Grigsby had a distinguished four-decade career in public service, including roles as Acting Minister of Foreign Affairs (2010), Ambassador to Belgium and the Benelux countries, and various senior positions within Liberia's Ministry of Foreign Affairs. Known for his integrity, diplomatic expertise, and role as a trusted presidential advisor, he was instrumental in the establishment of Liberia's War and Economic Crimes Court and was regarded as one of the most experienced officials in the Boakai administration. Grigsby also founded the Sun Times newspaper in the early 1980s and served briefly as Superintendent of Sinoe County. He died in Houston, Texas, on 9 August 2025, at age 74.