Most recently in 2022, the City of Columbia and the Columbia World Affairs Council hosted delegation from Accra including newly elected Mayor Elizabeth Sackey and former Mayor of Accra and current Ghana Parliament member Dr. Alfred Oko Vanderpuije.
the Charles Pinckney National Historic Site for 12 years, and was later appointed community partnership specialist for the Fort Sumter group.
In 2007 he became the executive director for the Gullah Geechee Cultural Heritage Corridor. As a result of groundbreaking efforts by Allen and the community, the Reconstruction Era National Monument (now the Reconstruction Era National Historical Park) was established in Beaufort County, South Carolina, by presidential proclamation in 2017.
Allen has been involved in several other projects designed to engage new audiences in understanding and appreciating African and American history. He was a founding board member of the International African American Museum (IAAM), which opened in Charleston in 2023.
