Ms Mocumi is the National Chairperson of the Disabled People of South Africa (DPSA) organisation. She was previously a member of the National Assembly as well as the provincial legislature of the North West province. She is an activist at heart and a teacher by profession. Ms Mocumi has held a number of leadership positions in the ANC, SACP, SADTU, school governing bodies and now the DPSA. She holds among others a Bachelor of Arts and Master of Philosophy degrees.