Commissioner Dr Waiyaki is an experienced economist with over 14 years of experience in Economics, Finance and Policy development.

She has worked as a Director of the National Government Constituency Development Fund (NG-CDF); Project Manager of the Local Development Research Institute (LDRI); Lecturer of Economics at the University of Nairobi; County Executive Committee (CEC) Member of the Department of Trade and Industry, Tourism, Cooperatives and Enterprise Development in Kiambu County Government; Consultant of the Kenya Health Sector Support Project (KHSSP) at the World Bank; Chairperson of the National Government Constituency Development Fund (NG-CDF) Kikuyu Constituency branch; Research Analyst at the Centre for Economic and Social Research (CESR); Economic Research Advisor at the Bank of Africa; Corporate Relationship Manager at the Bank of Africa among other positions.

Commissioner Dr Waiyaki holds a PhD in Economics from the University of Nairobi, a Master of Arts in Leadership and Governance from Pan African Christian University, a Master of Arts in Economics from the University of Nairobi and a Bachelor of Arts in Economics from the University of Nairobi. She has also extensively published in various academic journals and research documents and authored books on Corporate Governance, Finance and Economics.