Morris continued his studies through a Fulbright Scholarship at the Iowa State University, where he obtained a Master of Science in economics, 1967.
He was elected to the governing council of the United Nations Institute for Economic and Statistical Planning (IDEP), located in Dakar, Senegal.
[citation needed] In addition to his work for the Liberian Government, Morris taught mathematics and economics at the University of Liberia for fifteen years.
Morris became the first director general of National Social Security and Welfare Corporation, 1976 to 1980, but the position was terminated by the coup d'état which occurred on April 12, 1980.
In 1981, Morris left the governmental sector and continued his career as managing director of the Small Enterprise Financing Organization (SEFO).