Writer, Scholar, Attorney

I am an Attorney of Counsel at Miller Mayer LLP, Professor of Immigration Law Practice at Cornell Law School, and Nonresident Fellow at the Migration Policy Institute. I am also co-author of Immigration Law and Procedure, a 21-volume treatise on immigration law. View my credentials.

Expert Witness

I have testified before Congress and in state and federal court on a variety of immigration issues. Links to cases and my congressional testimony are available here.

Media Relations

Immigration is headline news. I help members of the media understand the complicated legal issues behind controversial immigration topics. View some of my media clips here.


CBS News: Trump says visa lottery rewards the “worst” immigrants. That’s inaccurate.

My December 18 op-ed on Trump's claims that the diversity visa program lets in the worst was quoted in a CBS News article on January 10. Trump has gone on to say that foreign countries are contributing to the lottery the "people they don't want". "There is...
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TIME: Donald Trump to end protected status for Salvadorians

I spoke with TIME about Trump's call to end temporary protected status (TPS) for El Salvador. Although the program is temporary in nature, it has been renewed by presidential administrations ever 18 months since 2001. Cornell Law Professor Stephen...
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Reuters: Fewer family visas approved as Trump toughens vetting of immigrants

I was quoted in a January 4 article by Reuters regarding Trump's call to restrict legal immigrants from sponsoring extended family members to enter the U.S. Trump claims this "chain migration" threatens national security. Immigration supporters said any...
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Houston Chronicle: Future unsure for visa lottery

I spoke with the Houston Chronicle on January 3 on behalf of my NY Daily News op-ed that criticizes President Trump's statements on the diversity visa lottery. "Philosophically, you would think you could do a better job of picking people to come to the...
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Times India: H-1B visa regime is likely to get tougher as Department of Homeland security mulls stricter restrictions on selection

I spoke with Times of India on December 25 regarding increased scrutiny of H-1B petitions. The USCIS has done a lot in the past few months to make it harder to qualify for H-1B visas. The percentage of H-1B cases receiving a request for evidence has...
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Politifact: Donald Trump mischaracterizes diversity visa lottery

I was quoted in a Politifact article on December 20 that rates Trump's mischaracterization of the diversity visa program as a "pants on fire" type of lie. His claim that foreign countries throw their worst citizens into a bin, which the U.S. then picks...
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The NY Daily News: Trump’s dishonest diversity visa lottery attack

An op-ed I wrote criticizing Trump's mischaracterization of the diversity immigrant visa program was published by The NY Daily News on December 18. The piece explains why the President's statement that foreign governments game the diversity visa program is...
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FactCheck.org: Trump’s baseless immigration claims

I spoke with Robert Farley of FactCheck.org on December 14 to discuss the controversial Diversity Visa Lottery program. The program has been under fire by Trump recently, especially after the October 31 terror attack that was found to have been committed...
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National Law Review: With SCOTUS cloud overhead, appeals courts take up travel ban 3.0

I spoke with the National Law Review in the wake of the Supreme Court's December 4 decision to allow President Trump's third version of the travel ban to go into effect. “Given [Monday's] ruling, both the Fourth and the Ninth circuit are going to try to be...
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Forbes: A guide for future immigrant entrepreneurs

I am quoted in a December 3 Forbes column on visa options for international entrepreneurs. “There is no easy transition from an E visa to a green card,” explained Cornell Law School Professor Stephen Yale-Loehr in an interview. “The nature of an E-2...
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