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.


Cornell Law School
Miller Mayer LLP
Migration Policy Institute
USAIE | US Alliance for International Entrepreneurs
Invest in the USA
American Immigration Lawyers Association (AILA)
National Immigration Forum
Hanger Theatre - Ithaca, New York

An executive order cannot repeal birthright citizenship, period.

Should President Trump make good on his threats to sign an executive order ending birthright citizenship, the move would be both legally and procedurally invalid. In an op-ed for The New York Daily News, I outline several obstacles the President’s stated...
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Refugees In The Empire State: A Panel Discussion – 8/20/18

I was honored to participate in an hour-long panel discussion on WCNY about how President Trump’s immigration changes are affecting people in NY. The show is available via live-stream starting Monday Aug. 20 at 10 pm at http://www.wcny.org/connect-ny/. A...
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Texas’s DACA Challenge Sets Up Supreme Court Showdown

In an interview with Bloomberg, I discuss the concern that Texas’s recent DACA challenge could force the issue into the Supreme Court. Should U.S. District Judge Andrew Hanen decide in favor of Texas, he would be in conflict with other U.S. District Judges...
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USA Today: ICE on ice? Move to abolish ICE, at center of storm in immigration battle, has a long way to go

In an article with USA Today, I weigh in on the likelihood of ICE being abolished in the wake of current controversy...
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Forbes & Financial Times on the Supreme Court Travel Ban Decision

On June 26, 2018, the Supreme Court ruled in a 5-4 decision that the Trump administration’s decision to ban the entry of individuals from a group of primarily Muslim countries was constitutional, stating it is within the scope of the Immigration and...
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CNN: DACA ruling further complicates complex legal path forward

The April 24 ruling on DACA by Judge Bates gives the Trump administration 90 days to justify legal grounds to eliminate DACA. This decision, although a victory for Dreamers, further muddles the litigation on this issue. "Overall it's a pretty murky area...
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New York Times: U.S. Must Keep DACA and Accept New Applications, Federal Judge Rules

On April 24 a federal judge ruled to keep DACA and that the government must resume accepting new applications. The ruling is a major setback to the Trump administration's efforts to eliminate DACA in a series of immigration cuts. Stephen Yale-Loehr, a...
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Op-Ed Published in The NY Daily News

I coauthored an op-ed about how the Trump administration’s immigration policy changes are hurting US colleges and international students. On April 6, The NY Daily News published the piece, titled, "Trump is repelling international college students from...
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State Department’s New Social Media Rules for Visa Applicants

I was quoted in two publications about the State Department’s new proposed requirement for visa applicants to disclose their social media usage for the last five years. On March 31, I spoke with Quartz on how the new rules are a method for the Trump...
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Times of India: Indian H-1B filings set to drop by 50% this year

I was quoted in the Times of India on April 4 regarding H-1B filings. "H-1B visa rejection rates, including for renewals, have risen markedly. Stephen Yale-Loehr, professor of immigration law practice at Cornell Law School, said the number of H-1B...
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