Business career
1. 2014/10 ~ 2015/03
2. 2012/04 ~ 2015/03
3. 2011/04 ~ 2014/04
4. 2008/04 ~ 2012/03
5. 2006/09 ~ 2008/03
Present specialized field
Papers
1. 2023  
2. 2021  
3. 2020  
4. 2019  
5. 2019