Important Updates
Important Updates
October 17, 2025 | United StatesUnited States: Second Court Challenge to New H-1B Restrictions and $100,000 Fee is Filed
October 17, 2025 | European UnionEuropean Union/Schengen Area: Internal Schengen Border Checks Situation
October 17, 2025 | NigeriaNigeria: New Mandatory Insurance for Foreign Employees
October 17, 2025 | NigeriaNigeria: New Online Temporary Work Permit Submission Process
October 17, 2025 | ThailandThailand: Mandatory Online Work Permit and Foreign Worker Registration System Forthcoming
October 17, 2025 | United StatesUnited States: Second Court Challenge to New H-1B Restrictions and $100,000 Fee is Filed
October 17, 2025 | European UnionEuropean Union/Schengen Area: Internal Schengen Border Checks Situation
October 17, 2025 | NigeriaNigeria: New Mandatory Insurance for Foreign Employees
October 17, 2025 | NigeriaNigeria: New Online Temporary Work Permit Submission Process
October 17, 2025 | ThailandThailand: Mandatory Online Work Permit and Foreign Worker Registration System Forthcoming
October 17, 2025 | United StatesUnited States: Second Court Challenge to New H-1B Restrictions and $100,000 Fee is Filed
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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

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  • English
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  • Italian

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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

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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
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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

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O Diretor Executivo da Fragomen Brasil, Diogo Kloper, destaca uma atualização importante na política migratória brasileira, que muda significativamente o que estrangeiros podem fazer no país sob o status de visitante.

Learn more

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Partner Jo Antoons discusses the rollout of the EU's new Entry/Exit System.

Learn more

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Fragomen is featured in The Times as a key immigration adviser highlighting Abu Dhabi’s rising demand for golden visas, especially among UK nationals seeking long-term, self-sponsored residency.

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

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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

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

Learn more

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