Marc R. Rosenblum
Marc R. Rosenblum is a Visiting Senior Fellow at MPI as well as Senior Fellow at More in Common.
Prior to rejoining MPI, Dr. Rosenblum worked from January 2016 – July 2026 at the Department of Homeland Security (DHS), initially serving as Deputy Assistant Secretary and leading the Office of Immigration Statistics. In 2019, he was designated as the department’s first Evidence Act Statistical Official, overseeing department-wide statistical data governance. In 2023, he was named Executive Director of the newly established Office of Homeland Security Statistics, with responsibility for leading DHS-wide statistical reporting.
Prior to DHS, Dr. Rosenblum was Deputy Director of the U.S. Immigration Policy Program at MPI, where he also earlier had been a Senior Policy Analyst. He also was a Specialist in Immigration Policy at the Congressional Research Service and had previously been a Professor of political science at the University of New Orleans (UNO).
In 2015-16, he served as a Member of the U.S. Immigration and Customs Enforcement (ICE) Federal Advisory Committee on Family Residential Centers, and in 2010-11, he served as a member of the National Research Council’s Committee on Estimating Costs of Immigration Enforcement in the Department of Justice.
Dr. Rosenblum has published more than 60 academic journal articles, book chapters, and policy briefs on immigration, immigration policy, and U.S.-Latin American relations. He is the coeditor (with Daniel Tichenor) of The Oxford Handbook of International Migration (Oxford University Press).
He has received numerous awards, including the Data Foundation Datum Award for Outstanding Commitment to Using Data and Evidence for Public Good (2025), a DHS Secretary Certificate of Merit (2024), an American Population Association Award for Excellence in Public Service (2024), a DHS Secretary Award for Innovation (2022), and a DHS Office of Policy Recognition for Excellence (2016).
Dr. Rosenblum received his BA from Columbia University in 1991 and his PhD in political science from the University of California – San Diego in 2000.
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Explore Content by Marc R. Rosenblum
Showing 11-20 of 36 total results
Normalization of Relations with Cuba May Portend Changes to U.S. Immigration Policy
The December 2014 U.S.-Cuba normalization deal put uniquely favorable Cuban immigration policies on uncertain footing, but permanent changes require Congress.
New Era in Immigration Enforcement at the U.S. Southwest Border
Central American family and minor migration in 2014 reshaped U.S. Southwest border enforcement, forcing officials to rethink strategies built for single adults.
Deportation and Discretion: Reviewing the Record and Options for Change
All but 9 percent of the 3.7 million U.S. deportations carried out by DHS from 2003 to 2013 were of Mexicans or northern Central Americans, and disproportionately were of men.
Executive Action for Unauthorized Immigrants: Estimates of the Populations that Could Receive Relief
Executive action on deferred action and enforcement priorities contemplated by the Obama administration could shield 1.3 million to 4.3 million unauthorized immigrants, MPI estimates.
The Current Record on Deportations: What Underlies the "Eye of the Beholder" Dynamic?
A transformed enforcement system under the Obama administration has produced record deportation levels while also drawing criticism it is too lenient.
The Deportation Dilemma: Reconciling Tough and Humane Enforcement
U.S. deportation policy has generated more than 4.5 million removals since 1996, but humane enforcement and stricter immigration control remain fundamentally in tension.
U.S. Immigration Policy and Mexican/Central American Migration Flows: Then and Now
Migration from Mexico and Central America has surged and diversified since the 1970s, while U.S. policy choices since 1965 built unauthorized flows that now constrain reforms.
U.S. Immigration Policy since 9/11: Understanding the Stalemate over Comprehensive Immigration Reform
Post‑9/11 enforcement expansions, partisan polarization, and complex trade‑offs have stalled comprehensive U.S. immigration reform.
The Basics of E-Verify, the U.S. Employer Verification System
Use of the U.S. E-Verify system grew eightfold between 2006 and 2010, yet only 3 percent of U.S. employers had enrolled.