Chi Guotai , who is Professor of finance , Ph.D Supervisor，doctor of management science and engineering, works in Faculty of Management and Economics of Dalian University of Technology. 

1. Current research and Admissions Information：Application of machine learning methods in credit rating.  credit rating theory and method in big data environment.

2. Professor Chi hosted the research project：

     2018.01.01-2022.12.31.Research on Theory and Method of Microscopic Credit Evaluation in Big Data Environment, National Natural Science Foundation of China (71731003).

3. Credit rating field：Professor Chi hosted the credit rating system and loan pricing system for small businesses such as China Postal Savings Bank Head Office and Dalian Bank Head Office.

    2012.06-2012.12. Interbank Credit Risk Rating System, Postal Savings Bank of China, Moderator: Chi Guotai.

    2009.07-2010.04. Inter-bank cooperation business debt risk rating system, Postal Savings Bank of China, Moderator: Chi Guotai.

    2012.01-2013.12. Dalian Bank Small Business Credit Risk Rating System and Loan Pricing System, Dalian Bank, Moderator: Chi Guotai.

    2007.06-2008.06. Dalian Bank Small Business Credit Risk Assessment System, Dalian Bank, Moderator: Chi Guotai.

    2005.09-2006.08. Five-level classification evaluation system for loans, Dalian Commercial Bank, Moderator: Chi Guotai.

4. Obtained two national invention patents:

   (1) Chi Guotai, Cheng Yuqiu. Credit rating adjustment method based on credit rating and default loss rate. national invention patent, patent number: ZL 2012 1 0201114.3, authorization announcement date: November 18, 2015.

   (2) Chi Guotai, Shi Baofeng. Credit rating system and method based on credit rating and default loss rate. national invention patent, patent number: ZL 2012 1 0201461.6, Authorization announcement date: August 19, 2015.

5. Hosted and completed research projects:

  2015.01-2018.12. Full-asset-liability optimization model based on stock and incremental superposition risk control, National Natural Science Foundation of China (71471027), Moderator: Chi Guotai.

  2015.09.18-2016.06.01. Study on Risk Management of Commercial Bank Facing Asian Community, One Asia Foundation，International Cooperation Grant, moderator: Chi Guotai.

  2013.09.19-2014.09.18. Study on Financial Risk Management Facing Asian Integration, One Asia Foundation，International Cooperation Grant, moderator: Chi Guotai.

  2012.01-2015.12. Small business loan pricing model based on the principle of default risk pyramid, National Natural Science Foundation of China (71171031), moderator: Chi Guotai.

  2011.09-2014.10. Research on credit risk evaluation theory and model, Ministry of Education Science and Technology Research Project, Moderator: Chi Guotai.

  2007.01-2010.08. Comprehensive implementation of the comprehensive evaluation system of the scientific development concept, the National Social Science Fund major project (06 & ZD039), chief expert, moderator: Chi Guotai.

  2006.01-2008.12. Research on the theory and model of futures hedging optimization decision, National Natural Science Foundation of China (70571010), Moderator: Chi Guotai.

  2005.01-2007.12. Bank's asset-liability management optimization theory and model based on portfolio risk control, National Natural Science Foundation of China (70471055), Moderator: Chi Guotai.