Unlike degree programs, executive education programs are generally designed for external professional clients. Clients Aoki has served include:
・ The Australia and New Zealand School of Government
・ The Development Academy of the Philippines
・ The Graduate School of Public Policy, Nazarbayev University, Kazakhstan
・ The Home Academy, Ministry of Home Affairs, Singapore
・ The National Broadcasting and Telecommunications Commission, Thailand
・ The Russian Presidential Academy of National Economy and Public Administration
・ Participants in Senior Management Programmes, Lee Kuan Yew School of Public Policy, National University of Singapore