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Chang Dong Sohn
Senior Advisor
- TEL 82 2 6003 7511
- FAX 82 2 6003 7029
- E-MAIL cdsohn@yoonyang.com
Biography
Chang Dong Sohn is a senior advisor at Yoon & Yang LLC, and his main practice areas include audits and government investigations, public projects and administrative regulations, internal control and governance, and tax administration.
Mr. Sohn is a distinguished expert in government audits and investigations, policy design, and internal control, having served approximately 30 years in key leadership positions at the Board of Audit and Inspection of Korea (BAI). After passing the 35th Higher Civil Service Examination, he began his public service career and held major senior posts at the BAI, including Audit Committee Member, Second Deputy Secretary General, Director General of the Planning and Coordination Office, Director General of the Fiscal and Economic Audit Bureau, Director General of the Industry and Financial Audit Bureau, and Director General of the Special Investigation Bureau. In these roles, Mr. Sohn oversaw audit administration, policy formulation, and organizational management, and deliberated and resolved on critical national audit matters.
During his tenure, he designed and introduced major cornerstone systems of the BAI, such as the Act on Public Sector Audits, the Active Administration Exemption System (2009), the Ombudsman System (2015), and the Pre-Audit Consultation System (2017). Furthermore, he accumulated extensive practical experience across diverse areas, including national and local tax audits and tax appeals, industry and financial sector audits, and audits of public institutions.
Leveraging such deep expertise, Mr. Sohn provides comprehensive and effective advisory services for responding to audits and investigations by the BAI and administrative bodies, improving internal controls and governance for public institutions, corporations and financial institutions, managing legal and regulatory risks in public projects and administrative regulations, and analyzing and responding to tax administration and government policies.
Mr. Sohn is a distinguished expert in government audits and investigations, policy design, and internal control, having served approximately 30 years in key leadership positions at the Board of Audit and Inspection of Korea (BAI). After passing the 35th Higher Civil Service Examination, he began his public service career and held major senior posts at the BAI, including Audit Committee Member, Second Deputy Secretary General, Director General of the Planning and Coordination Office, Director General of the Fiscal and Economic Audit Bureau, Director General of the Industry and Financial Audit Bureau, and Director General of the Special Investigation Bureau. In these roles, Mr. Sohn oversaw audit administration, policy formulation, and organizational management, and deliberated and resolved on critical national audit matters.
During his tenure, he designed and introduced major cornerstone systems of the BAI, such as the Act on Public Sector Audits, the Active Administration Exemption System (2009), the Ombudsman System (2015), and the Pre-Audit Consultation System (2017). Furthermore, he accumulated extensive practical experience across diverse areas, including national and local tax audits and tax appeals, industry and financial sector audits, and audits of public institutions.
Leveraging such deep expertise, Mr. Sohn provides comprehensive and effective advisory services for responding to audits and investigations by the BAI and administrative bodies, improving internal controls and governance for public institutions, corporations and financial institutions, managing legal and regulatory risks in public projects and administrative regulations, and analyzing and responding to tax administration and government policies.
Practice Areas
Experience
- 2026-present Yoon & Yang LLC
- 2024-present Outside Director, Chairperson of the Audit Committee, Chairperson of the Internal Control Committee, Hyundai Marine & Fire Insurance Co., Ltd.
- 2022-26 Visiting Professor, Graduate School of Public Administration, Kyungpook National University
- 2018-22 Audit Committee Member, Board of Audit and Inspection of Korea (BAI)
- 2017-18 Second Deputy Secretary General, Board of Audit and Inspection of Korea (BAI)
- 2017 Director General, Planning and Coordination Office, Board of Audit and Inspection of Korea (BAI)
- 2016-17 President, Audit and Inspection Training Institute, Board of Audit and Inspection of Korea (BAI)
- 2016 Director General, Fiscal and Economic Audit Bureau, Board of Audit and Inspection of Korea (BAI)
- 2014-16 Director General, Industry and Financial Audit Bureau, Board of Audit and Inspection of Korea (BAI)
- 2012-14 Director General, Special Investigation Bureau, Board of Audit and Inspection of Korea (BAI)
- 2011 Director of Public Relations, Board of Audit and Inspection of Korea (BAI)
- 2010-11 Director General, Administrative Support Office, Board of Audit and Inspection of Korea (BAI)
- 2008 Director of Planning Division, Planning and Public Relations Management Office, Board of Audit and Inspection of Korea (BAI)
- 2005 Director of Innovation and Human Resources Division, Board of Audit and Inspection of Korea (BAI)
- 1993 Board of Audit and Inspection of Korea (BAI)
Education
- 2004 Michigan State University (MPA)
- 1994 Seoul National University Graduate School of Public Administration (M.P.A. course completion)
- 1991 Yeungnam University (B.A. in Public Administration)
Publications
[Books]
- Upgrading Korea’s Systems, JoongAng M&B (Co-author, 2006)
- Theory of Public Sector Auditing, Pakyoungsa (Co-author, 2023)
Languages
Korean and English
