Ms. Seong Hee JEONG is a foreign attorney at D&A LLC. Her practice is primarily focused on Public Sector Relations and International Affairs.

Bar Admissions

• Licensed Administrative Agent (2019)
• Admitted to Bar, New York (2009)

Education

• The Ohio State University Moritz College of Law (JD, 2008)
• Korea University (BA in Public Administration, 1996)
• Gangneung Girls’ High School (1991)

Significant Accomplishments

• D&A LLC (2025-Present)
• Chief Expert, Legislation and Judiciary Committee, The National Assembly of the Republic of Korea (2022-2024)
• Chief Expert, National Defense Committee, The National Assembly of the Republic of Korea (2022)
• Chief Expert, Public Administration and Security Committee, The National Assembly of the Republic of Korea (2020-2022)
• Expert, Public Administration and Security Committee, The National Assembly of the Republic of Korea (2018-2020)
• Director, Social and Cultural Research Office, National Assembly Research Service (2016-2018)
• Director, Administrative Legislation Bureau, Ministry of Government Legislation (2014)
• Inter-Parliamentary Union (2012-2014)
• Director, Human Resources Division, Ministry of Government Legislation (2010-2012)
• Legislative Research Officer, Public Administration and Security Committee, The National Assembly of the Republic of Korea (2008-2012)
• Legislative Research Officer, Gender Equality and Family Committee, The National Assembly of the Republic of Korea (2002-2005)
• Legislative Research Officer, Legislation and Judiciary Committee, The National Assembly of the Republic of Korea (1998-2001)
• Legislative Research Officer, Ministry of Government Legislation (1995-1998)
• Admitted to Legislative Senior Civil Service Examination (1995)

Professional Activities and Experience

• Conducted numerous construction lawsuits such as construction cost, cost-sharing, and defects for Daewoo E&C, POSCO E&C, Hanwha E&C, Hanjin Heavy Industries & Construction, National Railroad Corporation, etc.
• Advised Hanwha E&C in relation to provisional disposition to prohibit construction of the Jeju Airfield (aviation safety assessment and aeronautical review)
• Advised and represented JGC in relation to real estate development (construction)
• Represented Korea Rail Network Authority in litigation in relation to the contributed acceptance of land near Wangsimni station
• Represented Contractor Financial Cooperative in litigation in relation to a claim for reimbursement
• Represented KB Real Estate Trust in litigation in relation to a provisional disposition to preserve its status as the preferred trust of the Songdo American Town
• Represented the Suncheon branch of LetsRun Corporation in litigation in relation to the sale and purchase of real estate construction costs and jeonse deposits
• Represented POSCO in litigation in relation to provisional disposition for non-competition
• Represented LIG System in litigation in relation to its SI and ESCO businesses
• Advised and represented CNB Technology and G1 AMC in relation to various disputes regarding management rights
• Advised and represented Jeja Church and Korea Massagers Association in relation to disputes regarding religious and non-profit organizations
• Represented the National Election Commission in litigation in relation to the invalidation of the 20th General Election of Members to the National Assembly
• Represented listed companies (DSK etc.) and unlisted companies (Ubcomm BPU etc.) in various criminal litigations in relation to breach of capital markets law such as M&A and manipulation
• Represented clients in various criminal litigations in relation to corporate financial crimes such as embezzlement misappropriation and fraud by CEOs
• Represented clients in various criminal litigations in relation to electoral crimes such as breach of the Public Official Election Act by members of the National Assembly

• A Case Study on the Introduction of the Semi-Proportional Representation System in Korea (Co-authored, 2023)