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About Annie

Annie Cook represents oil and natural gas pipeline, terminal and LNG facility operators with regard to transportation, safety and related laws. Annie regularly advises clients on construction and siting, incident response, regulatory compliance, litigation strategy and enforcement defense under the Pipeline Safety Act, the Natural Gas Act and related state laws. Annie has assisted clients in successfully challenging administrative agency actions at the federal appellate level. She also assists with confidential and large-scale investigations and compliance audits to identify legal risks and prepare defenses on enforcement matters, including investigations led by the Department of Transportation’s Office of Inspector General.

Annie and her team also advise clients, including industry trade groups, on legislation and rulemaking at the federal and state levels.


Publications and Speeches


“PHMSA Update,” Moderator, AOPL Legal Committee Meeting (annually).

“Legal Roundtable: Pipeline Safety Legal Issues Breakfast Roundtable,” Moderator, AOPL Annual Business Conference (annually).

“Natural Gas Connect Legal Roundtable: PHMSA Updates,” Speaker, Southern Gas Association Natural Gas Connect Academy, 2019 and 2020.

Final Liquid Pipeline Rule Emphasizes New Safety Requirements,” Law360, October 24, 2019.

House and Senate Pipeline Bills: Ships Passing in the Night,” Law360, August 20, 2019.

When Defendants Invoke ‘Necessity’ in Pipeline Sabotage,” Law360, May 24, 2018.

Oil and Gas Pipeline Industry in an Evolving Legal Landscape," Trends, American Bar Association Section of Environment, Energy, and Resources, September/October 2017.


"PHMSA Inspections and Enforcement: Insights and Updates," LEPA 2022 Annual Business Conference, September 2022.

"Regulatory Updates," API/AOPL Annual Legal Committee Meeting (May 2020).

"Legal Roundtable: PHMSA Regulatory Updates," Association of Oil Pipelines Annual Business Conference (Sep. 2019).

"Legal Roundtable: PHMSA Key Developments,"  Natural Gas Connect (Jul. 2019).

"Legal Roundtable," AOPL Annual Business Conference (Sep. 2018).

"Legal Roundtable," API/AOPL Annual Legal Committee Meeting (May 2018).

"Natural Gas Pipeline Infrastructure for Market Expansion: Regulatory and Political Landscape,"  Southern States Energy Board 57th Annual Meeting, Exploring the New Vision for America’s Energy Economy (Sep. 2017).

"Legal Roundtable," AOPL Annual Business Conference (Sep. 2017).

"Survey of Pipeline Permitting Issues," AOPL Annual Business Conference (Sep. 2017).

"Recent Updates and Developments in Legal Ethics Relevant to the Oil and Gas Industry," AOPL Annual Business Conference (Sep. 2017).



Emory University School of Law,
with honors
Kenyon College,
magna cum laude and Phi Beta Kappa

Bar Admissions

District of Columbia


Energy Bar Association
American Bar Association, Section of Environment, Energy and Resources Law
Section on Administrative Law
State Bar of Georgia
Environmental Law and Real Property Sections
Atlanta Legal Aid Society
Board of Directors






Chambers Global
Energy: Oil & Gas (Regulatory & Litigation), 2024
Chambers USA
Nationwide Energy: Oil & Gas (Regulatory & Litigation), 2023
The Legal 500 United States
Energy Regulation: Oil and Gas, 2023; Environment: Regulatory, 2023; Environment: Transactional, 2023
Euromoney Institutional Investor PLC
Benchmark Litigation
40 & Under Hot List, 2020-2021; Future Star, 2022
Emory University School of Law
Emory Law Journal
Managing Editor


Past Events

2023 LEPA Annual Business Conference

September 19, 2023 - September 22, 2023