The purpose of this paper is to investigate the specific function of Program Management Office (PMO) to manage multiple Kaizen or improvement projects and how we can implement PMO with more effective and more efficient to deliver value, benefits and achieve business goal in bank company. Research indicate that project management become increasingly difficult to manage when multiple projects are many overlapping projects in a project-oriented company, the goal in a need for enhanced bank company controls to increase success rates. It caused with implementation of a system that help project management, the system named Project Management Office (PMO) that is essential for bank company that are project-oriented and faced many overlapping projects. The PMO with an essential model that will explain to us to have management system of multiple project effectively in a banking company. Using a case study in one of banking industry in Indonesia, to test the method of research found that PMO deliver excellent value for bank company. The survey result of PMO function saw that most of project stakeholders in banking company agreed to 5 (five) categories and 20 (twenty) specified of PMO function implementation to manage several banking projects excellent. based on the results of the questionnaire, stakeholders answered more agreeably with the function of PMO for success project management at bank company and it could answer to the question that the method has deliver benefit and create goals for project management office performance in bank company.