Tabitha is a Professor of Economics in the School of Economics, University of Nairobi with over 30 years University teaching experience. She attained her PhD from the University of Queensland in Australia. She headed the Department of Economic Theory in the School of Economics for 6 years and was the Co-Chair of WTO Chairs Program for 7 years. She is currently a member of the University Senate, the Coordinator of UNCTAD Virtual Institute and the Chair of the WTO Chairs Program in the University. She is the Leader of the PhD Program at the African Women Studies Centre at the University of Nairobi; a member of the Technical Committee of AGRODEP and the Chair of Board of Management for Githambia Secondary School since 2007.
Her areas of interest are gender issues, international trade and other socio-economic issues such as poverty, social protection and health. She has done a lot of research in gender and also held gender and advocacy training workshops not only at the local level but also at the regional and international levels. She has won research grants from various organisations such as the International Health Policy Program-1997, African Technology Policy Studies-1998, AERC Research Grant- 1997 and 2001, DPM Scholarship in 2000, UNDESA-2005, Senior Scholars Research Grant by the Organisation for Social Science Research in Eastern and Southern Africa (OSSREA-2008, UNTAD Vi Research Grant-2009, WTO-2009, IDRC-2010, WTO Chairs Program- 2011, Australian Leadership Awards-2012, UNCRD-2013, UNDP-2015, ICTSD-2015, University of Adelaide (Institute of International Trade)- 2011, 2012, 2013 and 2014, UNCTAD-2014, COMESA- 2016, CETRAD-2017, UN Women-2017, COMESA- 2018 and many others.
She has published, alone and with others, 46 journal articles, 27 book chapters, 9 books, 1 discussion paper, 1 working paper, 2 book reviews, 6 policy briefs, and 27 research reports.
She has supervised 9 PhDs and more than 50 Masters Students.
She has attended 174 workshops and conferences locally and internationally where she has presented papers, acted as a resource person, a discussant or just a participant.