Logo for print Skip to main content

About Annie

Annie Cook represents oil and gas pipeline, terminal and LNG clients across the United States on traditional and renewable energy, transportation and safety-related legal matters at the federal, state and local levels. With a particular acumen for technical issues which has garnered the respect of both clients and regulators alike, Annie regularly advises on pipeline regulatory compliance and enforcement defense matters, including with respect to energy transition issues such as carbon dioxide and hydrogen, ranging from construction, operations, maintenance, incident response, to security. Annie has assisted clients in successfully challenging administrative agency actions at the administrative and federal appellate level and she is regularly involved with legislative and regulatory rulemaking advocacy. Along with her team, Annie has managed confidential investigations and compliance audits, including criminal investigations led by the Department of Transportation’s Office of Inspector General, to favorable resolutions.


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