Complex sentence: In 2009, John took over as head men's basketball coach at Fort Valley State University and he is currently assisting his brother, Leon Douglas, head coach of the Tuskegee University men's basketball team.
Split into simpler sentences: In 2009, John took over as head men's basketball coach at Fort Valley State University. He later became an assistant coach to his brother, Leon Douglas, head coach of the Tuskegee University men's basketball team.