Mamosa holds a BSc degree in Electrical Engineering from the University of the Witwatersrand as well as an MBA degree from Edinburgh Business School, the Graduate School of Business of Heriot-Watt University, in the United Kingdom.
Mamosa has extensive and diverse professional background in development finance and investment banking. Her career was shaped by her work as a software developer, business analyst, strategy consultant, financier, project manager and programme manager. She accumulated her practical experience at a number of well-known organizations, including Industrial Development Corporation, JP MorganChase, Gemini Consulting and Absa Capital.
In line with her passion of contributing towards the development of entrepreneurs, Mamosa has been a business mentor since 2013 for Fetola business growth specialists implementing the JP Morgan funded #JustAddGreen Programme. Mamosa is also a student at the Thabo Mbeki African Leadership Institute which focuses on grooming leaders to have a broader understanding of political, economic and developmental challenges on the African continent.