Banja has over 20 years of financial markets experience in global financial institutions in Zambia with more than half in executive leadership roles spanning across corporate and investment Banking. She was also the 1st female financial markets treasurer in the Zambian Financial markets. As Founder and Executive Director of Simpact Foundation she is passionate about using her vast  financial markets experience to make financial markets more inclusive in order to achieve sustainable social impact for children and women living in poverty.

Having worked for Barclays Bank Zambia and Citi Zambia, Banja’s notable achievements has included tangible strategic organisation transformation and was instrumental in financial markets landmark transactions in excess of US$7bn in value. Her contributions to the Zambian financial markets has included landmark digital financial innovations that contributed towards increased financial inclusion especially for the most excluded.

Banja has also held various board positions which includes: World Vision Zambia board member and chairperson of the local resource mobilisation board committee. She is currently chairperson of the CEC Pension Trust Fund and member of the Board of Trustees of the Central bank defined contribution pension fund. She was also member of the Board of trustees of Barclays Bank Zambia Pension fund and was Finance and Investments committee chairperson.  Banja is a graduate of the University of London with a MSc Finance and Financial Law. She also holds a Bachelors of Business Administration from the Copperbelt University and Bachelors of Law degree from the University of London.