Senior Associate

Ralph Yoo

  • People

Senior Associate

Ralph Yoo

Country / Territory

  • United StatesUnited States

Get in touch

Languages

  • English
  • Korean

Contact information

Email

[email protected]

T:+1 469 791 0397

F:+1 972 233 3134

Dallas

14951 N. Dallas Parkway

Suite #900

Dallas TX 75240

United States

Connect via Linkedin

Get in touch

Languages

  • English
  • Korean

Contact information

Email

[email protected]

T:+1 469 791 0397

F:+1 972 233 3134

Dallas

14951 N. Dallas Parkway

Suite #900

Dallas TX 75240

United States

Connect via Linkedin

Get in touch

Languages

  • English
  • Korean

Contact information

Email

[email protected]

T:+1 469 791 0397

F:+1 972 233 3134

Dallas

14951 N. Dallas Parkway

Suite #900

Dallas TX 75240

United States

Connect via Linkedin
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Ralph is a Senior Associate at Fragomen’s Dallas office, where he provides corporate immigration counsel to clients in a wide variety of industries, including engineering, manufacturing, retail, real estate, information technology and financial services. His practice encompasses all aspects of corporate immigration, including immigrant and nonimmigrant employment-based visas, PERM labor certification, permanent residence and employer compliance. Ralph has partnered with emerging companies of all sizes to develop efficient and sustainable immigration programs.

Prior to joining Fragomen’s Dallas office, Ralph was an Associate at Fragomen’s Irvine and Chicago offices, where he led a legal team that provided strategic immigration counsel to multiple start-up, multinational and Fortune 500 companies.

Ralph has provided pro bono services in partnership with the National Immigrant Justice Center and World Relief.

Ralph speaks English and Korean.

Education

  • University of California Los Angeles, School of Law, J.D., 2016
  • University of California, Irvine, B.A., 2011

More from Ralph

Admissions

Bar Admissions: California, Illinois 

Practice Limited to Federal Immigration & Nationality Law

Awards

Named to Best Lawyers in America: Ones to Watch (Woodward/White, Inc.), 2026

Experience

Counseled employers on immigration consequences of corporate mergers, acquisitions, divestitures and other forms of corporate reorganization.

Advised corporate clients on developing and implementing organizational immigration policies.

Assisted major multinational engineering and technology companies with obtaining nonimmigrant and immigrant visas for their professional staff.

Secured visa approvals for clients establishing new businesses in the United States.

Assisted C-level executives of multi-billion-dollar companies with immigrant and nonimmigrant visas.

Publications and lectures

Co-author, “COVID Related I-9 Accommodations.” OC Business Journal, Page A-20, June 2021.

Co-author, “The Invisible Wall: Legal Immigration Challenges Facing Businesses in the Trump Era,” OC Lawyer, Volume 62, Issue 3, Page 40, March 2020.

Ralph’s insights

August 21, 2025 | Awards

Fragomen Attorneys Recognized in the 2026 Edition of The Best Lawyers in America™Read more

February 29, 2024 | Seminar

Fragomen Mobility Mornings: Navigating the Current Immigration LandscapeRead more

July 6, 2020 | Video

Abandonment of Lawful Permanent Resident Status & Renunciation of U.S. CitizenshipRead more
More related insights

Ralph’s insights

August 21, 2025 | Awards

Fragomen Attorneys Recognized in the 2026 Edition of The Best Lawyers in America™Read more

February 29, 2024 | Seminar

Fragomen Mobility Mornings: Navigating the Current Immigration LandscapeRead more

July 6, 2020 | Video

Abandonment of Lawful Permanent Resident Status & Renunciation of U.S. CitizenshipRead more
More related insights

Ralph’s insights

August 21, 2025 | Awards

Fragomen Attorneys Recognized in the 2026 Edition of The Best Lawyers in America™Read more

February 29, 2024 | Seminar

Fragomen Mobility Mornings: Navigating the Current Immigration LandscapeRead more

July 6, 2020 | Video

Abandonment of Lawful Permanent Resident Status & Renunciation of U.S. CitizenshipRead more
More related insights

Country / Territory

  • United StatesUnited States

Get in touch

Languages

  • English
  • Korean

Contact information

Email

[email protected]

T:+1 469 791 0397

F:+1 972 233 3134

Dallas

14951 N. Dallas Parkway

Suite #900

Dallas TX 75240

United States

Connect via Linkedin

Ralph’s insights

August 21, 2025 | Awards

Fragomen Attorneys Recognized in the 2026 Edition of The Best Lawyers in America™Read more

February 29, 2024 | Seminar

Fragomen Mobility Mornings: Navigating the Current Immigration LandscapeRead more

July 6, 2020 | Video

Abandonment of Lawful Permanent Resident Status & Renunciation of U.S. CitizenshipRead more
More related insights

Share

  • Twitter
  • Facebook
  • LinkedIn

Share

  • Twitter
  • Facebook
  • LinkedIn

Get in touch

Languages

  • English
  • Korean

Contact information

Email

[email protected]

T:+1 469 791 0397

F:+1 972 233 3134

Dallas

14951 N. Dallas Parkway

Suite #900

Dallas TX 75240

United States

Connect via Linkedin

Ralph’s insights

August 21, 2025 | Awards

Fragomen Attorneys Recognized in the 2026 Edition of The Best Lawyers in America™Read more

February 29, 2024 | Seminar

Fragomen Mobility Mornings: Navigating the Current Immigration LandscapeRead more

July 6, 2020 | Video

Abandonment of Lawful Permanent Resident Status & Renunciation of U.S. CitizenshipRead more
More related insights

Share

  • Twitter
  • Facebook
  • LinkedIn

Share

  • Twitter
  • Facebook
  • LinkedIn

Get in touch

Languages

  • English
  • Korean

Contact information

Email

[email protected]

T:+1 469 791 0397

F:+1 972 233 3134

Dallas

14951 N. Dallas Parkway

Suite #900

Dallas TX 75240

United States

Connect via Linkedin

Ralph’s insights

August 21, 2025 | Awards

Fragomen Attorneys Recognized in the 2026 Edition of The Best Lawyers in America™Read more

February 29, 2024 | Seminar

Fragomen Mobility Mornings: Navigating the Current Immigration LandscapeRead more

July 6, 2020 | Video

Abandonment of Lawful Permanent Resident Status & Renunciation of U.S. CitizenshipRead more
More related insights

Share

  • Twitter
  • Facebook
  • LinkedIn

Share

  • Twitter
  • Facebook
  • LinkedIn

Explore more at Fragomen

Awards

Fragomen’s Worldwide Immigration Trends Report 2026 Wins at the FEM EMEA EMMAs

Fragomen is honored with the 2026 FEM EMEA EMMA in the "Thought Leadership - Best Survey or Research Study of the Year" category for its 2026 Worldwide Immigration Trends Report. 

Learn more

Media mentions

Law360: How A New Case Redefines The Birthright Citizenship Battle

Partner Daniel Pierce and Senior Associate Daniel D. Schaeffer examine US birthright citizenship challenges and the implications of recent court rulings for nationwide relief in immigration litigation.

Learn more

Video

What Is ESTA? Five Common Mistakes to Avoid When Traveling to the US

Los Angeles Partner Emily Allen explains what ESTA is, who may be eligible under the US Visa Waiver Program and five common mistakes travelers should avoid when visiting the United States for business or tourism.

Learn more
Generic Insights

Fragomen news

Case Study: Securing a Positive Outcome in a Complex Adult Dependent Relative Appeal

Fragomen supported an Adult Dependent Relative applicant through a complex appeal, using coordinated medical and social care evidence to demonstrate his holistic care needs before the Home Office withdrew its refusal and indicated that the application would be granted.

Learn more

Blog post

Moving Talent, Moving Families: Navigating Family Reunification in Europe

Senior Manager Andreia Ghimis and Senior Immigration Consultant Louise Farren explore how family reunification rules across Europe can affect international moves and why employers should assess family eligibility, immigration requirements and likely timelines alongside an employee’s work authorization.

Learn more

Media mentions

Business Insider: How Would the $70,000 Fee on International Students Working in the US Impact Schools and Grads? 2 Lawyers Break It Down.

Partner Aaron Blumberg discusses how a proposed $70,000 fee for international students seeking US work authorization could affect students, universities and employers.

Learn more

Blog post

How to Qualify for Permanent Residence and Polish Citizenship

Poland Immigration Strategy Director Tomasz Rogala and Senior Associate Tomasz Rdzanek outline the principal pathways to permanent residence and Polish citizenship, including key residence, language and income considerations and potential future reforms.

Learn more

Fragomen news

Comment on USCIS Mandatory Electronic Filing RuleLearn more

Fragomen news

Fragomen Collaboration Selected as 2026 European Labour Authority Good Practice

Fragomen, together with SICPA and Deutsche Rentenversicherung Bund, has been selected by the European Labour Authority as a 2026 Good Practice for an EU-funded WE BUILD use case exploring how digital identity solutions could help transform PD A1 processes and support cross-border labour mobility in Europe.

Learn more

Media mentions

The Caterer: Right to Work Scheme: Have You Carried Out Checks on Temporary Staff?

Senior Manager Louise Senior highlights how expanded UK right to work requirements will affect hospitality businesses using temporary and contingent workers.

Learn more

Media mentions

Citeline: The People Behind The Pipeline: How The Global Race For Talent Is Reshaping Pharma

Partners Rajiv Naik and Hyla Kaplan Rosenberg explore how global talent policies are reshaping the biopharma industry.

Learn more

Video

Healthcare Horizons: Open Enrollment - a J-1 Trap? | #MobilityMinute

Counsel Christopher L. Wendt discusses why J-1 exchange visitors should carefully evaluate health insurance options during open enrollment and how a proposed Department of State rule could increase the consequences of selecting coverage that does not meet applicable requirements.

Learn more

Awards

Fragomen’s Worldwide Immigration Trends Report 2026 Wins at the FEM EMEA EMMAs

Fragomen is honored with the 2026 FEM EMEA EMMA in the "Thought Leadership - Best Survey or Research Study of the Year" category for its 2026 Worldwide Immigration Trends Report. 

Learn more

Media mentions

Law360: How A New Case Redefines The Birthright Citizenship Battle

Partner Daniel Pierce and Senior Associate Daniel D. Schaeffer examine US birthright citizenship challenges and the implications of recent court rulings for nationwide relief in immigration litigation.

Learn more

Video

What Is ESTA? Five Common Mistakes to Avoid When Traveling to the US

Los Angeles Partner Emily Allen explains what ESTA is, who may be eligible under the US Visa Waiver Program and five common mistakes travelers should avoid when visiting the United States for business or tourism.

Learn more
Generic Insights

Fragomen news

Case Study: Securing a Positive Outcome in a Complex Adult Dependent Relative Appeal

Fragomen supported an Adult Dependent Relative applicant through a complex appeal, using coordinated medical and social care evidence to demonstrate his holistic care needs before the Home Office withdrew its refusal and indicated that the application would be granted.

Learn more

Blog post

Moving Talent, Moving Families: Navigating Family Reunification in Europe

Senior Manager Andreia Ghimis and Senior Immigration Consultant Louise Farren explore how family reunification rules across Europe can affect international moves and why employers should assess family eligibility, immigration requirements and likely timelines alongside an employee’s work authorization.

Learn more

Media mentions

Business Insider: How Would the $70,000 Fee on International Students Working in the US Impact Schools and Grads? 2 Lawyers Break It Down.

Partner Aaron Blumberg discusses how a proposed $70,000 fee for international students seeking US work authorization could affect students, universities and employers.

Learn more

Blog post

How to Qualify for Permanent Residence and Polish Citizenship

Poland Immigration Strategy Director Tomasz Rogala and Senior Associate Tomasz Rdzanek outline the principal pathways to permanent residence and Polish citizenship, including key residence, language and income considerations and potential future reforms.

Learn more

Fragomen news

Comment on USCIS Mandatory Electronic Filing RuleLearn more

Fragomen news

Fragomen Collaboration Selected as 2026 European Labour Authority Good Practice

Fragomen, together with SICPA and Deutsche Rentenversicherung Bund, has been selected by the European Labour Authority as a 2026 Good Practice for an EU-funded WE BUILD use case exploring how digital identity solutions could help transform PD A1 processes and support cross-border labour mobility in Europe.

Learn more

Media mentions

The Caterer: Right to Work Scheme: Have You Carried Out Checks on Temporary Staff?

Senior Manager Louise Senior highlights how expanded UK right to work requirements will affect hospitality businesses using temporary and contingent workers.

Learn more

Media mentions

Citeline: The People Behind The Pipeline: How The Global Race For Talent Is Reshaping Pharma

Partners Rajiv Naik and Hyla Kaplan Rosenberg explore how global talent policies are reshaping the biopharma industry.

Learn more

Video

Healthcare Horizons: Open Enrollment - a J-1 Trap? | #MobilityMinute

Counsel Christopher L. Wendt discusses why J-1 exchange visitors should carefully evaluate health insurance options during open enrollment and how a proposed Department of State rule could increase the consequences of selecting coverage that does not meet applicable requirements.

Learn more
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Important Updates
Important Updates
October 15, 2026 | United StatesLaw360: How A New Case Redefines The Birthright Citizenship Battle
October 16, 2026 | European UnionEuropean Union/Schengen Area: Internal Schengen Border Checks Situation
October 16, 2026 | IndiaIndia: Minimum Salary Level for Employment Visas Significantly Increased
October 16, 2026 | 🌐Minimum Salary Changes Announced
October 15, 2026 | United KingdomFragomen’s Worldwide Immigration Trends Report 2026 Wins at the FEM EMEA EMMAs
October 15, 2026 | United StatesLaw360: How A New Case Redefines The Birthright Citizenship Battle
October 16, 2026 | European UnionEuropean Union/Schengen Area: Internal Schengen Border Checks Situation
October 16, 2026 | IndiaIndia: Minimum Salary Level for Employment Visas Significantly Increased
October 16, 2026 | 🌐Minimum Salary Changes Announced
October 15, 2026 | United KingdomFragomen’s Worldwide Immigration Trends Report 2026 Wins at the FEM EMEA EMMAs
October 15, 2026 | United StatesLaw360: How A New Case Redefines The Birthright Citizenship Battle
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