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尹成日 律师

T.+82-2-3703-1614 F.+82-2-737-9091/9092
尹成日 律师
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尹成日 律师

尹成日律师

T.+82-2-3703-1614 F.+82-2-737-9091/9092 E.siyoon@kimchang.com

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Areas of Expertise

Bio

Sung Il Yoon is a senior attorney at Kim & Chang who serves as a member of the firm’s Labor & Employment Practice Group and Finance Department.

Mr. Yoon has advised companies on various employment and labor-related matters, including, but not limited to, employee discipline and termination, employee benefits, downsizing, and post-acquisition integration and restructuring. Mr. Yoon has an expertise in advising companies on labor-related disputes raised by employees or labor unions and advising clients on issues relating to the development and implementation of the HR/IR strategies in line with the business goals.

Mr. Yoon also has extensive experience in advising banks and financial institutions on banking and financial regulatory matters and litigations. He has actively participated as counsel to both domestic and international companies for overseas bond or securities offering by Korean entities including consulting on Korean regulations and advised on structural matters to issuers or managers in domestic and global structured finance transactions.

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Profile

Experience

Linklaters, Hong Kong (2012.9.-2013.1.)

Kim & Chang (2006-Present)

Judge Advocate, Republic of Korea Army (2003-2006)

Representative Activitiesshow

Awards

  • Leading Lawyer, Lexology Index: Korea, Employment & Labor (Lexology Index, 2025)
  • Leading Lawyer, Lexology Index: Employment & Labor (Lexology Index, 2025)

Publications/Activities
    • The Executive Remuneration Review (3rd edition): "Korea" chapter (Co-author, Law Business Research, 2014)
    • The Mergers & Acquisitions Review (seventh edition): "Korea" chapter (Co-author, Law Business Research, 2013)

Education

    Columbia Law School (LL.M., 2012)

    Judicial Research and Training Institute of the Supreme Court of Korea (2003)

    College of Law, Seoul National University (LL.B., 2001)

Qualifications

    Admitted to bar, Korea, 2003

Languages

Korean and English

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尹成日
律师


T. +82-2-3703-1614      
F. +82-2-737-9091/9092      
  




Sung Il Yoon is a senior attorney at Kim & Chang who serves as a member of the firm’s Labor & Employment Practice Group and Finance Department.

Mr. Yoon has advised companies on various employment and labor-related matters, including, but not limited to, employee discipline and termination, employee benefits, downsizing, and post-acquisition integration and restructuring. Mr. Yoon has an expertise in advising companies on labor-related disputes raised by employees or labor unions and advising clients on issues relating to the development and implementation of the HR/IR strategies in line with the business goals.

Mr. Yoon also has extensive experience in advising banks and financial institutions on banking and financial regulatory matters and litigations. He has actively participated as counsel to both domestic and international companies for overseas bond or securities offering by Korean entities including consulting on Korean regulations and advised on structural matters to issuers or managers in domestic and global structured finance transactions.






    Linklaters, Hong Kong (2012.9.-2013.1.)

    Kim & Chang (2006-Present)

    Judge Advocate, Republic of Korea Army (2003-2006)






Awards

  •   Leading Lawyer, Lexology Index: Korea, Employment & Labor (Lexology Index, 2025)
  •   Leading Lawyer, Lexology Index: Employment & Labor (Lexology Index, 2025)

Publications/Activities

  •   The Executive Remuneration Review (3rd edition): "Korea" chapter (Co-author, Law Business Research, 2014)
  •   The Mergers & Acquisitions Review (seventh edition): "Korea" chapter (Co-author, Law Business Research, 2013)





Education

    Columbia Law School (LL.M., 2012)

    Judicial Research and Training Institute of the Supreme Court of Korea (2003)

    College of Law, Seoul National University (LL.B., 2001)


Qualifications

    Admitted to bar, Korea, 2003


Languages
  •    Korean and English





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