Olusegun Adejumo is a Nigerian visual artist, known for his female figure drawings and paintings. He is the director of One Draw Gallery and currently the president of the Guild of Professional Fine Artists Nigeria. Adejumo was born on September 30, 1965 in Lagos. He attended the Yaba College of Education 1982 to 1987 and graduated with an Higher National Diploma (HND) in Painting. From 1987 to 1988, he served as a Painting Assistant Lecturer at the Lagos State Polytechnic. He also worked as an illustrator at the Advertising Techniques Limited in 1988.