He has served on numerous boards, including the Education of People of African Ancestry, The Marcus Garvey Committee International, and Read Across Jamaica Foundation. He has worked with Ministries and the University of the West Indies on education issues facing Jamaican youth, and has built schools, provided school supplies and provided professional development for Jamaican teachers. He has planted over one million trees in Northern Ghana through Permaculture Ghana. Julius has led relief missions to post-earthquake Haiti and works closely with the Association of Haitian Physicians Abroad. He lectures on African history and cultures, as well as on the legacy of Marcus Garvey in the U.S., Canada, the Caribbean, Central and South America, and Africa. His father, Marcus Garvey, is one of the national heroes of Jamaica.