William S. Kalema
William Samson Kalema, is a Ugandan chemical engineer, business consultant and entrepreneur, who serves as the managing partner of BDO East Africa, "a professional firm that offers audit, accounting, tax and business advisory services to private and public sector clients", in the countries of the East African Community and Ethiopia. Background and education. Kalema was born at Mulago, in Kampala, Uganda's capital city. After attending primary school locally, he was admitted to Kings College Budo, where he completed his middle and high school education. He obtained his High School Diploma from Budo. He holds a Bachelor  of Science degree and a Master of Science degree, both in chemical engineering and both awarded by the University of Cambridge, in the United Kingdom. His Doctor of Philosophy degree, also in chemical engineering, was obtained from the California Institute of Technology (Caltech), in Pasadena, California, United States, in 1984. Career. As of December 2020, his career stretches back over more than four decades. Between 1974 until 1978, he served as a Metallurgical Engineer in the copper mining industry, based in the Zambian city of Ndola. He also served as a research engineer and business analyst at the DuPont Company , based in the state of Delaware, United States, serving in that capacity between 1984 ad 1992. In 1992, he returned to Uganda and became a consultant to government, businesses and development agencies. He has, in the past and continues, as of December 2020, to serve on a number of boards of national, regional and international organizations. Past board positions are listed in the next section of this article. As of time of writing, he is a member of the following boards: Past board positions. He has served on the following boards in the past.