Nyanchama is a decolonial expert, Pan-Africanist, anti-racism activist, and defender of human rights. She is a consultant and campaign coach for the non-profit organization Hand in Hand against Racism. She is particularly engaged in campaigns to raise awareness and mobilise bottom-up initiatives that are focused on decoloniality. Moreover, she has more than 30 years of experience in voluntarism and activism in many civil organizations. 

Nyanchama has two master’s degrees, one in education and the other in social and cultural anthropology. She is currently pursuing a PhD in philosophy. Professionally, she has wide experience in job coaching, recruitment and placement, social mobilization, activism and protest, talent scouting, prospecting and coaching, and advocacy and lobbying for the implementation of a decolonial process. Currently, Nyanchama is the Chair of the European Network Against Racism (ENAR), the Vice President of Africalia, and a member of the Executive board of many other non-profit organizations: Africa Diaspora Network Europe (ADNE), People of African Descent Business (PAD Business), Creative & Performing Artists Network (CAPA), and I See You (ISY). She is also the Founder and Curator of the Chama Artistic Creations, the Pagne Africain Textile Exhibition, and the Kenya Kikwetu Abagusii Artefacts Exhibition.