Mrs. Esther Koimett, is the Principal Secretary, Ministry of Information, Communication, Technology, Innovations & Youth Affairs, state Department of Broadcasting & Telecommunications. Mrs. Koimett serves as a Director at the Postal Corporation of Kenya representing the Ministry of  ICT. Prior to this she worked as the Director General Public Investment and Portfolio Management at the National Treasury. She previously served as the Managing Director and Chief Executive Officer of the Kenya Post Office Savings Bank.
She holds a Bachelor of Commerce (BCom) degree and a Master of Business Administration (MBA) degree, both from the University of Nairobi.

Her long career in public service which exceeds 25 years in length, involves service as the Principal Secretary in the Ministry of Tourism. For at least 18 of those years, she has been involved in investment promotion, public enterprise reform and privatization. She is responsible for the divestiture of parastatal companies either through the selection of a “strategic investor”, or through the flotation of an IPO, on the Nairobi Stock Exchange.

Some of the privatized companies through this process, include Kenya Reinsurance Corporation, Tourism Promotion Services, Kenya Railways Corporation, Kenya Airways, Kenya Commercial Bank Group, Housing Finance Group of Kenya, Mumias Sugar Company Limited, Kenya Electricity Generating Company and Safaricom PLC.