Important Updates
Important Updates
October 9, 2025 | ThailandThailand: Mandatory Online Work Permit and Foreign Worker Registration System Forthcoming
October 9, 2025 | AzerbaijanAzerbaijan: Stricter Documentary Requirements for Company Director Work Permit Exemption
October 9, 2025 | GermanyGermany: Fast-Track Naturalization Pathway Abolished
October 9, 2025 | 🌐Minimum Salary Changes Announced
October 9, 2025 | GermanyPartner Marius Tollenaere Contributes to Third Edition of Einwanderungsrecht
October 9, 2025 | ThailandThailand: Mandatory Online Work Permit and Foreign Worker Registration System Forthcoming
October 9, 2025 | AzerbaijanAzerbaijan: Stricter Documentary Requirements for Company Director Work Permit Exemption
October 9, 2025 | GermanyGermany: Fast-Track Naturalization Pathway Abolished
October 9, 2025 | 🌐Minimum Salary Changes Announced
October 9, 2025 | GermanyPartner Marius Tollenaere Contributes to Third Edition of Einwanderungsrecht
October 9, 2025 | ThailandThailand: Mandatory Online Work Permit and Foreign Worker Registration System Forthcoming
Subscribe
Fragomen.com home
Select Language
  • English
  • French
  • French - Canadian
  • German

Select Language

  • English
  • French
  • French - Canadian
  • German
ContactCareersMediaClient Portal
Search Fragomen.com
  • Our Services
    For EmployersFor IndividualsBy IndustryCase Studies
  • Our Tech & Innovation
  • Our People
  • Our Insights
    Worldwide Immigration Trends ReportsMagellan SeriesImmigration AlertsEventsMedia MentionsFragomen NewsBlogsPodcasts & Videos
  • Spotlights
    Navigating Immigration Under the Second Trump AdministrationTravel & Mobility Considerations: Situation in the Middle EastImmigration Matters: Your U.S. Compliance RoadmapCenter for Strategy and Applied InsightsVietnamese ImmigrationView More
  • About Us
    About FragomenOfficesResponsible Business PracticesFirm GovernanceRecognition

Our Services

  • For Employers
  • For Individuals
  • By Industry
  • Case Studies

Our Tech & Innovation

  • Our Approach

Our People

  • Overview / Directory

Our Insights

  • Worldwide Immigration Trends Reports
  • Magellan Series
  • Immigration Alerts
  • Events
  • Media Mentions
  • Fragomen News
  • Blogs
  • Podcasts & Videos

Spotlights

  • Navigating Immigration Under the Second Trump Administration
  • Travel & Mobility Considerations: Situation in the Middle East
  • Immigration Matters: Your U.S. Compliance Roadmap
  • Center for Strategy and Applied Insights
  • Vietnamese Immigration
  • View More

About Us

  • About Fragomen
  • Offices
  • Responsible Business Practices
  • Firm Governance
  • Recognition
Select Language
  • English
  • French
  • French - Canadian
  • German

Select Language

  • English
  • French
  • French - Canadian
  • German
ContactCareersMediaClient Portal
Porthole headshot image of Fragomen [Associate][NewYork][MichaelCastiglione]

Associate

Michael Castiglione

Michael Castiglione
Porthole headshot image of Fragomen [Associate][NewYork][MichaelCastiglione]
  • People

Associate

Michael Castiglione

Country / Territory

  • United StatesUnited States

Get in touch

Languages

  • English
  • Spanish
  • French
  • Italian

Contact information

Email

[email protected]

T:+1 646 861 6991

F:+1 212 480 9930

New York, NY

Fragomen, Del Rey, Bernsen & Loewy, LLP

1400 Broadway

New York NY 10018

United States

Connect via Linkedin

Get in touch

Languages

  • English
  • Spanish
  • French
  • Italian

Contact information

Email

[email protected]

T:+1 646 861 6991

F:+1 212 480 9930

New York, NY

Fragomen, Del Rey, Bernsen & Loewy, LLP

1400 Broadway

New York NY 10018

United States

Connect via Linkedin

Get in touch

Languages

  • English
  • Spanish
  • French
  • Italian

Contact information

Email

[email protected]

T:+1 646 861 6991

F:+1 212 480 9930

New York, NY

Fragomen, Del Rey, Bernsen & Loewy, LLP

1400 Broadway

New York NY 10018

United States

Connect via Linkedin
  • PrintPrint
  • SaveSave

Mike is an Associate at Fragomen’s New York office, where he practices primarily in the area of corporate immigration law. Mike serves as a strategic partner to corporate clients, helping them hire and retain talented employees to meet their business needs. He represents clients in all aspects of U.S. immigration, including all major nonimmigrant (H-1B, L-1, TN, E-2, E-3, H-1B1, O-1, P-1, J-1) and permanent residence (PERM, EB-1, EB-2, EB-3, National Interest Waiver) categories. Mike also works with individuals and families on a variety of matters, including family-based green card applications, naturalization, humanitarian applications (TPS, DACA, Parole), student visas, investor visas and more.

Mike represents companies of all sizes across a variety of industries, including legal, financial services/fintech, IT services, artificial intelligence, automotive/AV, luxury fashion and retail, pharmaceutical and architecture, among others. He is an active member of the firm’s sports practice group, representing both major and emerging professional leagues, teams and athletes. Mike also represents higher education clients, advising colleges and universities of all sizes on their immigration programs.

Mike is a trusted advisor and partner to his clients’ global immigration teams, known for his ability to understand clients’ unique business needs and translate that into a comprehensive immigration strategy. His dedication to client service ensures that foreign employees feel supported and confident as they navigate the complexities of the U.S. immigration system.

Mike is passionate about his pro bono work. He represents children seeking immigration relief through Special Immigrant Juvenile Status, as well as men, women and children seeking asylum in the United States. 

 

Mike speaks English and Spanish and has a working knowledge of French and Italian.

Mike is passionate about his pro bono work. He represents children seeking immigration relief through Special Immigrant Juvenile Status, as well as men, women and children seeking asylum in the United States. 

 

Mike speaks English and Spanish and has a working knowledge of French and Italian.

Education

  • Fordham University School of Law, J.D., cum laude , 2019
  • Middlebury College, M.A., 2012
  • Middlebury College, B.A., 2011

More from Michael

Admissions

Bar Admissions: New York

Practice Limited to Federal Immigration & Nationality Law

Awards

Named to Best Lawyers in America: Ones to Watch, 2026

Named a “Rising Star” in Super Lawyers, 2024

Named as Fragomen’s Pro Bono Champion for the New York Office, 2024

Michael’s insights

December 5, 2025 | Webinar

Fragomen and Interstride Webinar Series: Immigration Options for Athletes & EntertainersRead more

October 7, 2025 | Webinar

Fragomen and Interstride Webinar Series: Immigration Options for Business Students, Investors & EntrepreneursRead more

August 21, 2025 | Awards

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

Michael’s insights

December 5, 2025 | Webinar

Fragomen and Interstride Webinar Series: Immigration Options for Athletes & EntertainersRead more

October 7, 2025 | Webinar

Fragomen and Interstride Webinar Series: Immigration Options for Business Students, Investors & EntrepreneursRead more

August 21, 2025 | Awards

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

Michael’s insights

December 5, 2025 | Webinar

Fragomen and Interstride Webinar Series: Immigration Options for Athletes & EntertainersRead more

October 7, 2025 | Webinar

Fragomen and Interstride Webinar Series: Immigration Options for Business Students, Investors & EntrepreneursRead more

August 21, 2025 | Awards

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

Country / Territory

  • United StatesUnited States

Get in touch

Languages

  • English
  • Spanish
  • French
  • Italian

Contact information

Email

[email protected]

T:+1 646 861 6991

F:+1 212 480 9930

New York, NY

Fragomen, Del Rey, Bernsen & Loewy, LLP

1400 Broadway

New York NY 10018

United States

Connect via Linkedin

Michael’s insights

December 5, 2025 | Webinar

Fragomen and Interstride Webinar Series: Immigration Options for Athletes & EntertainersRead more

October 7, 2025 | Webinar

Fragomen and Interstride Webinar Series: Immigration Options for Business Students, Investors & EntrepreneursRead more

August 21, 2025 | Awards

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

Share

  • Twitter
  • Facebook
  • LinkedIn

Share

  • Twitter
  • Facebook
  • LinkedIn

Get in touch

Languages

  • English
  • Spanish
  • French
  • Italian

Contact information

Email

[email protected]

T:+1 646 861 6991

F:+1 212 480 9930

New York, NY

Fragomen, Del Rey, Bernsen & Loewy, LLP

1400 Broadway

New York NY 10018

United States

Connect via Linkedin

Michael’s insights

December 5, 2025 | Webinar

Fragomen and Interstride Webinar Series: Immigration Options for Athletes & EntertainersRead more

October 7, 2025 | Webinar

Fragomen and Interstride Webinar Series: Immigration Options for Business Students, Investors & EntrepreneursRead more

August 21, 2025 | Awards

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

Share

  • Twitter
  • Facebook
  • LinkedIn

Share

  • Twitter
  • Facebook
  • LinkedIn

Get in touch

Languages

  • English
  • Spanish
  • French
  • Italian

Contact information

Email

[email protected]

T:+1 646 861 6991

F:+1 212 480 9930

New York, NY

Fragomen, Del Rey, Bernsen & Loewy, LLP

1400 Broadway

New York NY 10018

United States

Connect via Linkedin

Michael’s insights

December 5, 2025 | Webinar

Fragomen and Interstride Webinar Series: Immigration Options for Athletes & EntertainersRead more

October 7, 2025 | Webinar

Fragomen and Interstride Webinar Series: Immigration Options for Business Students, Investors & EntrepreneursRead more

August 21, 2025 | Awards

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

Share

  • Twitter
  • Facebook
  • LinkedIn

Share

  • Twitter
  • Facebook
  • LinkedIn

Explore more at Fragomen

Video

Important Update for Brazil-Bound Visitors | #MobilityMinute

Brazil Managing Partner Diana Quintas highlights Brazil’s visitor visa rules and what travelers should know.

Learn more

Blog post

Changes to Skilled Worker Dependants: How UK Government’s July 2025 Rules Affect Tech Talent

Senior Manager Kinka Tonchev and Paralegal Emily Whalley discuss how upcoming UK visa changes will affect skilled worker dependants and reshape tech sector mobility.

Learn more

Fragomen news

Partner Marius Tollenaere Contributes to Third Edition of Einwanderungsrecht

Partner Marius Tollenaere provides key insights on labour migration, procedures and employer obligations in the latest edition of "Einwanderungsrecht".

Learn more

Blog post

Beyond PERM: Leveraging Schedule A, Group II for Exceptional Ability in the Sciences, Arts and Performing Arts

Associate Matthew Smith discusses how professionals with exceptional ability in the sciences, arts and performing arts can bypass the PERM process by leveraging Schedule A, Group II for a streamlined green card application.

Learn more

Awards

Managing Partner of the United Kingdom Nadine Goldfoot Recognised as Legal 500's "Leading Partners"

Managing Partner of the United Kingdom Nadine Goldfoot is recognised as Legal 500's "Leading Partners."

Learn more

Media mentions

Sports Lawyers Association: Sport Shorts Episode 115 With Partner Dan Schwarz

Partner Dan Schwarz discusses how proactive immigration planning helps athletes, teams and universities navigate complex US policies.

Learn more

Video

Italian Citizenship by Descent: Eligibility, Benefits and Application Process

Learn how to claim Italian citizenship through ancestry. This complete guide covers eligibility requirements, benefits and the step-by-step application process.

Learn more

Video

Bangladesh: Security Clearances and Challenges

Senior Manager Corrine Tan and Assistant Business Immigration Manager Joycelyn Ang discuss Bangladesh’s work permit security clearance process.

Learn more

Media mentions

The American Lawyer: Proposed H-1B Changes Make Foreign Lawyers More Expensive, but Also More Accessible

Partner Bo Cooper outlines how the proposed H-1B changes could affect Big Law hiring for foreign lawyers.

Learn more

Fragomen news

2025年9月 アメリカ移民法ダイジェストLearn more

Media mentions

Computer Weekly: How UK Immigration Must Evolve to Attract the Best Global Talent

Senior Manager Kinka Tonchev highlights how UK immigration must adapt to attract, retain and support the world’s top talent.

Learn more

Media mentions

Construction Management: Immigration Compliance: Is Your Firm Violating Visa Rules?

Manager Kirsty Moore and Trainee Solicitor Amanda Ong highlight rising UK construction sponsor licence risks and how businesses can stay compliant.

Learn more

Video

Important Update for Brazil-Bound Visitors | #MobilityMinute

Brazil Managing Partner Diana Quintas highlights Brazil’s visitor visa rules and what travelers should know.

Learn more

Blog post

Changes to Skilled Worker Dependants: How UK Government’s July 2025 Rules Affect Tech Talent

Senior Manager Kinka Tonchev and Paralegal Emily Whalley discuss how upcoming UK visa changes will affect skilled worker dependants and reshape tech sector mobility.

Learn more

Fragomen news

Partner Marius Tollenaere Contributes to Third Edition of Einwanderungsrecht

Partner Marius Tollenaere provides key insights on labour migration, procedures and employer obligations in the latest edition of "Einwanderungsrecht".

Learn more

Blog post

Beyond PERM: Leveraging Schedule A, Group II for Exceptional Ability in the Sciences, Arts and Performing Arts

Associate Matthew Smith discusses how professionals with exceptional ability in the sciences, arts and performing arts can bypass the PERM process by leveraging Schedule A, Group II for a streamlined green card application.

Learn more

Awards

Managing Partner of the United Kingdom Nadine Goldfoot Recognised as Legal 500's "Leading Partners"

Managing Partner of the United Kingdom Nadine Goldfoot is recognised as Legal 500's "Leading Partners."

Learn more

Media mentions

Sports Lawyers Association: Sport Shorts Episode 115 With Partner Dan Schwarz

Partner Dan Schwarz discusses how proactive immigration planning helps athletes, teams and universities navigate complex US policies.

Learn more

Video

Italian Citizenship by Descent: Eligibility, Benefits and Application Process

Learn how to claim Italian citizenship through ancestry. This complete guide covers eligibility requirements, benefits and the step-by-step application process.

Learn more

Video

Bangladesh: Security Clearances and Challenges

Senior Manager Corrine Tan and Assistant Business Immigration Manager Joycelyn Ang discuss Bangladesh’s work permit security clearance process.

Learn more

Media mentions

The American Lawyer: Proposed H-1B Changes Make Foreign Lawyers More Expensive, but Also More Accessible

Partner Bo Cooper outlines how the proposed H-1B changes could affect Big Law hiring for foreign lawyers.

Learn more

Fragomen news

2025年9月 アメリカ移民法ダイジェストLearn more

Media mentions

Computer Weekly: How UK Immigration Must Evolve to Attract the Best Global Talent

Senior Manager Kinka Tonchev highlights how UK immigration must adapt to attract, retain and support the world’s top talent.

Learn more

Media mentions

Construction Management: Immigration Compliance: Is Your Firm Violating Visa Rules?

Manager Kirsty Moore and Trainee Solicitor Amanda Ong highlight rising UK construction sponsor licence risks and how businesses can stay compliant.

Learn more

Stay in touch

Subscribe to receive our latest immigration alerts

Subscribe

Our firm

  • About
  • Careers
  • Firm Governance
  • Media Inquiries
  • Recognition

Information

  • Attorney Advertising
  • Legal Notices
  • Privacy Policies
  • UK Regulatory Requirements

Our firm

  • About
  • Careers
  • Firm Governance
  • Media Inquiries
  • Recognition

Information

  • Attorney Advertising
  • Legal Notices
  • Privacy Policies
  • UK Regulatory Requirements

Have a question?

Contact Us
  • LinkedIn
  • Youtube
  • Instagram
  • Facebook
  • Twitter

© 2025 Fragomen, Del Rey, Bernsen & Loewy, LLP, Fragomen Global LLP and affiliates. All Rights Reserved.

Please note that the content made available on this site is not intended for visitors / customers located in the province of Quebec, and the information provided is not applicable to the Quebec market. To access relevant information that applies to the Quebec market, please click here.