Tsotang is a Senior Lecturer in the Department of Private Law at the National University of Lesotho. She holds an LL.B from the same university and an LL.M in International Economic Law from the University of Cambridge. Tsotang has recently completed a Ph.D at the University of Cape Town. Her thesis focuses on trade facilitation in Southern Africa. Tsotang researches in, and has published on, international trade and investment law. She has consultancy experience, primarily in trade in services.