Wanjiku worked as an Analyst in MSC under the Banking and Financial Services domain. She supported the domain in research, data analysis, consumer insights, product development, and other consulting assignments.

Wanjiku Kiarie worked as an Assistant Manager in MSC's Banking and Financial Services domain. She supported the domain in primary and secondary research, data analysis, consumer insights, product development, and other consulting assignments. Her key areas of expertise are business analytics, digital financial services, financial inclusion, and responsible finance. Before joining MSC, Wanjiku worked for over a year with Bank of Africa, a second tier institution where she analyzed alternate banking channels performance through designing, creating and implementing reports and dashboards as required.