Lisa Monaco


Thank you for your interest. Before you communicate with one of our attorneys, please note: Any comments our attorneys share with you are general information and not legal advice. No attorney-client relationship will exist between you or your business and O’Melveny or any of its attorneys unless conflicts have been cleared, our management has given its approval, and an engagement letter has been signed. Meanwhile, you agree: we have no duty to advise you or provide you with legal assistance; you will not divulge any confidences or send any confidential or sensitive information to our attorneys (we are not in a position to keep it confidential and might be required to convey it to our clients); and, you may not use this contact to attempt to disqualify O’Melveny from representing other clients adverse to you or your business. By clicking "accept" you acknowledge receipt and agree to all of the terms of this paragraph and our Disclaimer.


Lisa O. Monaco is co-chair of O’Melveny’s Data Security and Privacy group and a member of the firm’s White Collar Defense and Corporate Investigations Practice Group. She served as Homeland Security and Counterterrorism Advisor to President Obama and prior to that she held several senior positions in the Department of Justice, including as an Assistant Attorney General for National Security, the Department’s top national security lawyer. She is also a former Chief of Staff to then-Director of the FBI, Robert S. Mueller, III. Drawing on her experience as an advisor at the highest level of government, she counsels clients on the business, legal, and policy issues surrounding on Data Security and Privacy issues, as well as on other areas of Crisis Management and government and regulatory affairs. Lisa works out of both the firm’s Washington, DC and New York offices.

As the President’s Homeland Security and Counterterrorism Advisor from 2013-2017, she coordinated the federal government’s crisis management and response to a wide array of risks and challenges – from cyber threats and pandemics to terrorist threats – and chaired the Cabinet-level Homeland Security Council Principals Committee and advised the President on homeland security issues and crises. She has extensive experience in policy development and crisis management having operated at the senior- most levels of the Federal government as a lawyer and advisor.


Corporate & Government Experience

  • Assistant to the President for Homeland Security and Counterterrorism
  • Assistant Attorney General for National Security
  • Principal Associate Deputy Attorney General
  • Associate Deputy Attorney General
  • Chief of Staff, Federal Bureau of Investigation
  • Special Counsel to the Director, Federal Bureau of Investigation
  • Assistant United States Attorney, Enron Task Force
  • Assistant United States Attorney, US Attorney’s Office, Washington, DC
  • Counsel to the Attorney General
  • Principal, WestExec Advisors

Honors & Awards

  • Edmund J. Randolph Award, United States Department of Justice
  • Attorney General’s Award for Exceptional Service
  • Officer of the Legion of Honor of France, Awarded by the President of the Republic of France
  • National Intelligence Distinguished Public Service Medal
  • Director’s Award, Central Intelligence Agency
  • Bar Association of the District of Columbia Lifetime Achievement Award
  • Distinguished Alumna Award, University of Chicago Law School
  • Recognized by The Legal 500 US for General Commercial Disputes


Bar Admissions

  • District of Columbia
  • New York


  • University of Chicago Law School, JD, editor-in-chief of the University of Chicago Law School Roundtable
  • Harvard University, BA

Professional Activities


  • Honorable Jane R. Roth, US Court of Appeals, Third Circuit


  • Co-Chair, Aspen Institute Cybersecurity Group
  • Distinguished Senior Fellow, NYU School of Law, Reiss Center on Law and Security and Center for Cybersecurity
  • Senior Fellow, Harvard University, Kennedy School of Government, Belfer Center for Science and International Affairs, Homeland Security Program
  • Council on Foreign Relations
  • American Law Institute
  • University of Chicago Law School Council
  • Advisory Board, National Security Institute at George Mason University’s Antonin Scalia Law School
  • New York State Bipartisan Counterterrorism Advisory Panel 
  • Bipartisan Commission on Biodefense
  • ABA Standing Committee on Law and National Security

Selected Speeches


Public Appearances 

Alerts and Publications

CCPA Case Tracker

February 16, 2021

Despite Brexit Deal, UK Data Transfers Remain in Limbo

January 4, 2021

Video: Data Security & Privacy in the Age of COVID – A Conversation with Lisa Monaco and John Dermody

November 17, 2020

Japan Enacts Significant Amendments to its Data Privacy Law, Opening the Door to Restrictions on Foreign Businesses Doing Business in Japan

October 22, 2020

Treasury Issues New Guidance on Risks of Ransomware Payments

October 9, 2020

Picking up the Pieces After Schrems II

July 30, 2020

New York Files First Charges Under Data Security Regulation

July 30, 2020

U.S. Government Imposes National Security-Driven Procurement Restrictions on Federal Government Contractors that Will Impact Their Supply Chain

July 24, 2020

Federal Contractors and Their Suppliers are in Limbo Awaiting Fast-Approaching Deadline for Implementation of Section 889 Supply Chain Restrictions

July 7, 2020

Survey of Global Artificial Intelligence Regulation: An Evolving and Varied Landscape

June 17, 2020

Recent Cyber Attacks on Critical Infrastructure Highlight Emerging Cyber Risks in the Water Industry

June 10, 2020

California Attorney General Issues Final Proposed CCPA Regulations

June 4, 2020

President Trump Issues Executive Order on Securing the United States Bulk-Power System

May 6, 2020

President Issues Proclamation Limiting Immigrant Travel to the United States

April 28, 2020

President Trump Issues Executive Order Creating Telecommunications Assessment Committee

April 10, 2020

Practical Considerations for Directors: COVID-19

March 25, 2020

President Trump Invokes the Defense Production Act

March 20, 2020

Navigating Coronavirus “Shelter-in-Place” Orders Issued by Local Public Health Authorities

March 18, 2020

Coronavirus Task Force Podcast: Former Homeland Security Advisor Lisa Monaco on How Companies Can Manage the Coronavirus Crisis

March 16, 2020

O’Melveny Coronavirus Task Force: Data Security and Privacy Considerations During the COVID-19 Response

March 16, 2020

The European Commission Proposes Artificial Intelligence Regulations That Could Reach Businesses Worldwide

March 13, 2020

Attorney General Xavier Becerra Releases Modified CCPA Regulations

February 18, 2020

Indictment of Chinese Military Hackers for Equifax Breach Highlights Important Data Security Lessons

February 11, 2020

Lawfare: The Coronavirus Shows Why the US Must Make Pandemic Disease a National Security Priority

February 7, 2020

O’Melveny Releases State-by-State Guide to US Data Breach Notification Laws

January 29, 2020

EU Advocate General Opinion Is a Mixed Bag for Companies Engaging in US-EU Data Transfers

January 27, 2020

Supreme Court Leaves the Door Open for Expansive Biometric Privacy Lawsuits

January 23, 2020

What’s Next in Data Security and Privacy? 6 Trends to Watch in 2020

January 21, 2020

Failure to Apply Recent Microsoft Patch May Create Legal Liabilities

January 15, 2020

California Attorney General Notifies California Consumers of Their Rights Under the California Consumer Privacy Act

January 8, 2020

O’Melveny Releases CCPA Toolkit, A Resource for California’s New Privacy Law

December 19, 2019

EDPB Finalizes Guidance on GDPR Applicability Outside EU

December 11, 2019

Commerce Seeks Comment on Telecom Supply Chain Review Process

December 3, 2019

Getting Prepared for New York’s Expanded Security Breach and Data Security Requirements

November 18, 2019

New Suit Against Spyware-Maker Demonstrates One Company’s Offensive Strategy Against Cyber Attacks

November 5, 2019

Aspen Cybersecurity Group Warns of Challenges to US Technological Innovation in New Report – O’Melveny Partner Lisa Monaco Serves as Group’s Co-Chair

October 8, 2019

The Government Is Wielding Sticks and Carrots to Address National Security Concerns in the Telecommunications Sector

October 3, 2019

California Consumer Privacy Act Update: A Slow Road to Changing the Face of US Privacy Law

May 28, 2019

In the News

The American Lawyer: Wilmer, Latham and O’Melveny Lawyers Crowd Revolving Door Into Biden Administration

February 4, 2021 Compliance Hot Spots - O’Melveny, Wilmer Lawyers Snag Biden Posts

January 12, 2021


January 8, 2021

Law360: 5 Things To Know About Deputy AG Pick Lisa Monaco

January 7, 2021

The National Law Journal: At ‘Critical Time,’ Merrick Garland Says He’s Eager to Serve as Attorney General

January 7, 2021

The Wall Street Journal: Biden Introduces Attorney General Pick Garland, Other DOJ Selections

January 7, 2021

Law360: Biden Picks Garland To Be Next Attorney General

January 6, 2021

The American Lawyer: Robert Mueller’s Career Has Been Defined by a Duty to Serve

November 24, 2020

The American Lawyer: O’Melveny, Wilmer and Arnold & Porter Take Roles in Vetting Harris, Biden’s VP Pick

August 12, 2020

Wired: Chinese Hackers Charged in Decade-Long Crime and Spying Spree

July 21, 2020 Joe Biden Releases Plan to Combat Coronavirus in Effort to Show Contrast with Trump

March 12, 2020

The New York Times: Joe Biden and Bernie Sanders Rebuke Trump Over Virus- ‘The Clock Is Ticking’

March 12, 2020

The Hill: Biden Campaign Announces Public Health Panel to Advise on Coronavirus

March 11, 2020

Financial Times: Trump Cheers AG Barr After Roger Stone Prosecutors Quit

February 7, 2020

CNN’s The Daily DC: Impeachment Watch: The Public Hearings Are Over. Did Democrats Make Their Case?

November 25, 2019

CNN: ‘Ideology Does Not Die with Baghdadi’: For US Law Enforcement, ISIS Threat Remains

October 27, 2019

Axios: Aspen Report Finds U.S. Losing Innovation Edge

October 1, 2019

Bloomberg Law: National Security Experience a Growing Draw for Big Law

September 25, 2019

Stay Tuned with Preet: Russian Asset & the 1st Female Firefighter

September 12, 2019

CNN: Trump Learns Age-Old Lesson with Busted Afghan Initiative

September 10, 2019

CNN’s “State of the Union:” At Least Nine Dead, 27 Injured in Dayton Mass Shooting

August 4, 2019

CNN: DOJ Sends Letter to Mueller, Says His Testimony “Must Remain Within the Boundaries” of His Report

July 22, 2019

SC Media: Women in Security—PowerPlayers

July 1, 2019

CNN Newsroom: NY Times—US Ramping Up Cyberattacks on Russia

June 16, 2019

MSNBC “The Oath with Chuck Rosenberg” (Podcast): Lisa Monaco: Dr. Doom

May 15, 2019

Washington Internet Daily: Internet People

March 25, 2019

The Washington Post: Appointments

March 25, 2019

Homeland Security Today: O’Melveny Welcomes Former US Homeland Security Advisor and Senior Justice Department Official Lisa Monaco

March 22, 2019

The National Law Journal: Ex-Obama Official Lisa Monaco Joins O’Melveny as Data Security and Privacy Co-Chair

March 21, 2019

POLITICO: Transition – Obama Alumni

March 21, 2019

Press Releases