Professor Charles Mambula currently serves as Associate Professor and Chair of the Department of Management at Langston University’s School of Business in Langston, Oklahoma. Before he came to Langston, he taught at various educational institutions in Massachusetts. He obtained a PhD at the University of Wales in the UK and before that had an MBA from the University of Jos in Nigeria after a BSc in Economics and Business from Manchester College in Indiana, USA. He briefly worked with the Small Business Development Institute at Morgan State University in Baltimore, Maryland before coming to Massachusetts. Mambula has worked with the Nigerian National Petroleum Company (NNPC) at the Eleme
Petro-Chemicals Company Limited (EPCL) in Port Harcourt as a Chief Marketing Officer. Before this, he worked as a civil servant with the Borno State Government Civil Service as Registrar for Co-operatives, Commercial Officer, and Senior Planning Officer in charge of research. Dr. Mambula doubles as CEO of Gumir-Jethro Consulting Company and founder of Live Circle Christian Ministries. He has a membership with the United States Association of Small Business and Entrepreneurs (USASBE) and the International Council of Small Business (ICSB). He has published in a number of journals and other publications, which include International Journal of Entrepreneurship, Journal of Small Business Management, Small Business Economics Journal, Journal of African Business, Journal of Social Economics (Special Issue), and the International Journal of Nigerian Studies and Development.