Julio immigrated to the United States with his mother, Romula, at the age of eight. By high school he was drafted into community service and local politics by Albert Blumberg, a community activist and district leader from the Audubon Reform Democratic Club, after helping organize his building to restore services. Years later, Julio would serve as co-Chair of the Audubon Club. Albert and his wife, Dorothy Rose, became important figures in his life and considered him to be their adopted grandson mentoring him on community issues and getting him involved with local community organizations, most notably Centro Educacional Caribe (CEEDUCA) which offered ESL classes to recent immigrants. Julio interned for U.S. Senator Daniel Patrick Moynihan in Washington, D.C. and the New York State Department of Taxation and Finance. After graduating from John Jay College of Criminal Justice, he worked for ABC News and Channel 7 before becoming District Office Director for City Councilmember Stanley E. Michels in Washington Heights, a post he held from 1991 to December 31, 2001. He is currently the Director for Community Relations at the NewYork-Presbyterian Hospital.
Julio served as President of the West Harlem Local Development Corp., negotiating the largest community benefit agreement in the country valued at over $300 million with Columbia University. He is also an executive board member of the Dorothy Rose and Albert E. Blumberg Community Fund, an organization that provides grants to community groups in Washington Heights and Hamilton Height. He coordinates Light for the Eyes, a community-based charitable organization that provides free eye care, including surgery to underprivileged residents in developing countries, especially in the Dominican Republic and as a housing advocate he serves on the board of the Westside Heights HDFC Council, a citywide advocacy organization that supports low income cooperatives. Julio continues his involvement in community politics and is the current President of the Audubon Reform Democratic Club.
He is married to Maria de los Angeles (Angela) and has two children Sofia and Bobbie.