Mr. Stephenson founded Cube Root in 2010 in Maryland with a dream to bring high-quality engineering services to market. As a Jamaican immigrant to the United States and the son of a Jamaican merchant, he embodies the entrepreneurial spirit. Under his leadership, Cube Root has grown from a one-person operation to a team of over 80. He has formed relationships with government agencies, contractors, architects, and other corporations to provide his expertise on healthcare, water, wastewater, transportation, and other horizontal and vertical infrastructure projects. He has successfully procured and led projects with DC Water, DC District Department of Transportation (DDOT), DC Department of General Services (DGS), DC Public Libraries, Potomac Electric Power Company (PEPCO), the U.S. General Services Administration (GSA), Jacksonville Transportation Authority (JTA), the U.S. Virgin Islands Department of Education (VIDE), and the Ministry of Health and Wellness (MOHW), Jamaica.

He holds a Master’s degree in Engineering and a Bachelor’s degree in Civil Engineering from Howard University, with a major in Transportation and a minor in Structures, and Transportation Asset Management. Mr. Stephenson earned a diploma in Land Surveying from the University of Technology (UTECH), Jamaica, and has worked as a licensed professional engineer in Jamaica.

His experience with managing healthcare projects includes serving as principal-in-charge for the redevelopment of the St. Elizabeths East Hospital Campus in Washington, DC. The contract involves providing program management support services contract to assist the District in the planning, design management, construction management and project controls, commissioning, and occupancy for the phased redevelopment of the 180-acre East Campus. In 2023, Cube Root received the 2023 CMAA Overall National Project Achievement Award for Transportation with Construction value less than $50 Million for the Pecan Street Infrastructure Improvement Project. Pecan Street provides critical access to the new Cedar Hill Regional Medical Center (CHRMC).

Mr. Stephenson, in 2021, was appointed to the Council of Advisors to the Minister of Housing, Urban Renewal, Environment and Climate Change for the Government of Jamaica for a period of three years.