Following her training in the United States of America, Kilonzo worked in the securities market regulation at Financial Industry Regulatory Authority (FINRA) in Chicago, Illinois, USA for four and half years. She then returned to Kenya and worked at Pricewaterhouse Coopers (PwC), as a Senior Associate in the Corporate Finance Advisory Services Department. She was the Chairperson of the East Africa Securities Regulatory Authorities (EASRA), a forum for East African Capital markets regulators, from 2008 to 2010. In her capacity as the CEO at the CMA (Kenya), she also sat on the Insurance Regulatory Authority in Kenya. Kilonzo was also an ex-officio member of the Retirement Benefits Authority of Kenya. Prior to being confirmed as CEO of the CMA Kenya, she served as Acting Chief Executive Officer of the CMA (Kenya) from 2007 until 2008.[6] Following four years as the CMA chief executive, she declined consideration to serve a second four-year term as CEO. She stepped down on 30 June 2012.[2][7] In December 2013, she was appointed to a managerial position at the African Development Bank (AfDB), as head of the division for financial sector development.[3][5]
Personal life
Stella Kilonzo is married and is the mother of two sons.[8]
Previous Chief Executives of the CMA (Kenya), include (a) William Chelashaw, who served from 1992 until 1997 and (b) Paul K. Melly, who served from 1998 until 2002.