Princess Sarah Jane Culberson, Lady of Bumpe (born Princess Esther Elizabeth Kposowa) is an American actress, public speaker, educator, and writer. By birth she is a Mende princess of the Bumpe–Gao Chiefdom in Sierra Leone.
She is the co-founder of Sierra Leone Rising, a non-profit organization that raises funds to improve education, economic opportunities, and sustainable living for people in Sierra Leone. In 2009, she co-authored her memoir, titled A Princess Found: An American Family, an African Chiefdom, and the Daughter Who Connected Them All. The book is being considered by Disney for development as a film directed by Stephanie Allain with Culberson as executive producer.