Our Team

DaeYang provides comprehensive support through a strong team of U.S. attorneys, investment analysts, U.S. accountants and tax specialists, and legal processing experts, backed by the accounting expertise of Global Tax Group DaeYang.

Jisun Kim

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Founder & CEO

CEO & Founder, Daeyang Immigration Law Group
Member, The JayKim ROK-US Institute
Director, Korea Emigration Association
20+ years in U.S., Canada, Europe, and international immigration consulting
10,000+ successful cases
Certified Global New Intellectual – Management
Forbes Korea 2025, Visa & Immigration Law Excellence
University of Georgia, USA (Magna Cum Laude)

Jay Kim

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Senior Advisor (Former U.S. Congressman)

U.S. Representative, 103rd, 104th, and 105th Congresses (California)
Mayor and City Council Member, City of Diamond Bar, California
Chairman of the Board, Kim Chang Joon Korean-American Research Institute (Nonprofit Organization)
Advisory Committee Member, Fair Economy Division, Presidential National Economic Advisory Council
Recipient of the Ellis Island Medal of Honor (USA), among numerous other awards for public service
Chairman of the Board, Washington Korea–U.S. Forum
Founder, Jay Kim Engineering, one of California’s Top 500 Engineering Firms
Master of Science in Environmental Engineering, University of Southern California (USC)

Youngho Jung

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Executive Advisor (21st Consul General, Houston)

Jurisdiction over 5 South-Central U.S. states
Experienced in U.S. government and economic collaboration
Expert in Korea–U.S. political, economic, and industrial affairs
Chief of Staff, National Assembly (13th–16th terms)
Secretary, Deputy Speaker of the National Assembly
Spokesperson, 20th Presidential Transition Committee
Consul General, Republic of Korea, Houston

Jaewoong Cha

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Investment expert

Certified U.S. Investment Analyst
15+ years in U.S. Investment Immigration Consulting
Sogang University
HEC Business School, Specialized Master’s
Euro Pacific Links Consultant
Former CMO, TNS Media Korea
Former SK Innovation

Mansuk Jung

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Head U.S. Attorney

Senior U.S. Attorney, DaeYang Immigration Law Group
Sogang University, Graduate School of Economics
California Western School of Law
Licensed in New York State
Member, American Bar Association & American Immigration Lawyers Association
Former Lead Attorney, California Western Legal Group
200+ columns on immigration law in major newspapers

Jeewon Paik

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U.S. attorney

U.S. Attorney, DaeYang Immigration Law Group
J.D., University of Pittsburgh School of Law
Graduate, Ewha Womans University & Graduate School
Licensed in New York & New Jersey
Member, AILA (American Immigration Lawyers Association)
CALI Award, Intellectual Property (2011)
Judicial Intern, Pennsylvania Court of Common Pleas

Changhwan Hong

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U.S. attorney

U.S. Attorney, DaeYang Immigration Law Group
Mitchell Hamline School of Law - Juris Doctor (2004)
Licensed in the State of Minnesota, USA
Member, AILA (American Immigration Lawyers Association)
Member, ABA (American Bar Association)
Former Columnist at Maeil Business Newspaper
Former U.S. Attorney at Kookmin Immigration Co., Ltd.
Former Head of Legal Affairs / Executive Director at Hanwha Solutions
Former Head of Legal Team at LS Cable & System Ltd.

Jihye Jeong

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U.S. attorney

U.S. Attorney Daeyang Immigration Law Group
District of Columbia Bar, Licensed
LL.M., Regent University School of Law
J.D., Handong International Law School
Sookmyung Women’s University, School of Law
Former CJ 4DPLEX Co., Ltd.
Former Yoon & Yang Law Firm (Hwawoo)
Former U.S. Forces in Korea (USFK)

Min Sun Cha

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U.S. attorney

U.S. Attorney Daeyang Immigration Law Group
District of Columbia Bar
LL.M., Regent University School of Law
J.D., Handong International Law School
Completed Coursework, M.A. in Art History, Ewha Womans University Graduate School
Graduated with Honors, B.A. in English Language and Literature, Hanyang University
Former In-House Counsel, Chubb Life Insurance Korea Co., Ltd.
Former Yoon & Yang LLC
Former Legal Intern, CJ Corporation Legal Team
Former Intern, Constitutional Research Institute, Constitutional Court of Korea

Yoo Joo Jeong

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U.S. attorney

U.S. Attorney, DaeYang Immigration Law Group
2026 Lawyers of Distinction – Immigration Law
New York Bar, Licensed
Member, AILA
LPC-LL.M, The University of Law
University of London (SOAS) (2012–2015)
Economics & Finance, University of Hong Kong
Graduate, Minjok Leadership Academy
New Mexico Immigrant Law Center (NMILC) – Pro Bono Law Clerk

Sungjung Yoon

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Certified Tax Accountant

Former Team Leader, Investigation Team, Bureau of Investigation 4, Seoul Regional Tax Office
Former Team Leader, International Transaction Investigation Bureau, Seoul Regional Tax Office
Former Head of Corporate Tax Division, Seongdong Tax Office; Taxpayer Protection Officer, Donggoyang Tax Office
Former Team Leader, Inheritance and Gift Tax Team, Legal Affairs Bureau, Seoul Regional Tax Office
Former Served in Investigation Teams 1 and 2, Seoul Regional Tax Office
Former Seocho Investigation Team Leader, Gangdong Property Tax Division, Namdaemun Investigation Division
Master of Laws in Tax Law, Korea University Graduate School of Legal Studies
Graduated from National Tax College (15th batch)

Seunghyun Lee

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CPA & U.S. Tax Agent

CEO, Global Tax Group DaeYang
Tax Manager, Samjong KPMG
Tax/Accounting Team Lead, Global Corporations
Graduate, Real Estate, Konkuk University
Korea MBA, Korea University
20+ years in taxation
Special Professor, Global Cyber University
Vice President, KBS Professors’ Association

Andrew NAM

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RCIC

Branch Manager, DaeYang Immigration Law Group, Canada
CEO, DY Canada Immigration Consulting Ltd.
Executive Director of Legal Affairs, SOS International
Member, CICC (College of Immigration and Citizenship Consultants)
Member, CAPIC (Canadian Association of Professional Immigration Consultants)
Licensed Employment Service Provider (AB, SK)
Master's Degree in Engineering, Hanyang University
Completed Immigration Law Program, University of British Columbia (UBC)
Advisory Member, Overseas Employment Division, Korea Industrial Manpower Association
Over 1,000 cases of Canadian visas and corporate establishment
Expert in responding to IRCC/Service Canada audits

David Jung

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Canadian Lawyer

Canadian Lawyer, Daeyang Immigration Law Group
Managing Partner, Reliance Legal Group
Legal Advisor to the Consulate General of the Republic of Korea in Vancouver
Extensive experience advising on Canadian corporate establishments, branch offices, and public enterprises
Specialized in corporate incorporation, management, and advisory services / corporate restructuring / corporate finance
Graduate of McGill University