Since September 2012, Lungu has been deputy vice chancellor of Mulungushi University in Zambia. Prior to this, between 1985 and 2012, she held a number of other academic positions, including head of the animal science department and dean of the School of Agricultural Sciences at the University of Zambia. In addition to serving on the Categorizing Poor Resource Farmers and Rising Food Prices taskforces, she has published over 20 academic papers and books and worked as a consultant for many international organizations. She has served on many boards, including those of the Bank of Zambia, Livestock Development Trust, the Kasisi Agricultural Training Centre, the advisory committee on science and technology of the Technical Centre for Agricultural and Rural Cooperation (CTA) and the sector advisory group of the Ministry of Science, Technology and Vocational Training in Zambia. She holds a PhD from the University of Manitoba. She joined the Board in November 2015.