Paul Rosenzweig is an adjunct lecturer and a nationally recognized cybersecurity and homeland security expert. He is the founder of Red Branch Consulting PLLC, a homeland security consulting company, and a Senior Advisor to The Chertoff Group.

Mr. Rosenzeig formerly served as Deputy Assistant Secretary for Policy in the Department of Homeland Security. He is a Distinguished Visiting Fellow at the Homeland Security Studies and Analysis Institute. He also serves as a Professorial Lecturer in Law at George Washington University, an Adjunct Professor at the Near East South Asia Center for Strategic Studies at the National Defense University, a Senior Editor of the Journal of National Security Law & Policy, and as a Visiting Fellow at The Heritage Foundation.

In 2011 he was a Carnegie Fellow in National Security Journalism at the Medill School of Journalism, Northwestern University, where he continues to serve as an adjunct lecturer.