1. Master, Senior Scientific Associate, Faculty of Economics and Business, Accounting Department, Perbanas Institute, Indonesia
2. Master, Associate Professor, Faculty of Economics and Business, Accounting Department, Perbanas Institute, Indonesia
3. Master, Senior Scientific Associate, Faculty of Economics and Business, Management Department, Perbanas Institute, Indonesia
4. Doctor, Associate Professor, Faculty of Economics and Business, Management Department, Perbanas Institute, Indonesia