Lindsey N. Simmons

She | Her | Hers


Washington, D.C.
T +1.202.861.1778
F +1.202.861.1783


As a member of BakerHostetler’s Chambers USA 2022 ranked Environmental team, Lindsey Simmons advises clients on a wide range of environmental matters, including regulatory compliance, enforcement actions, internal investigations, complex litigation and rulemaking challenges.

Lindsey has extensive experience engaging with the U.S. Environmental Protection Agency, the California Air Resources Board (CARB) and other regulators on Title II of the Clean Air Act. She has advised automotive and other mobile equipment manufacturers and related industries on emissions standards, vehicle and fleet certification, defeat device allegations, onboard diagnostics (OBD) compliance, field fixes, recalls, import and export compliance, engine and vehicle labeling and zero-emission vehicles.

Lindsey has also counseled clients on permits under Section 404 of the Clean Water Act, cost-sharing under the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA), marine fisheries compliance under the Magnuson-Stevens Fishery Conservation and Management Act, drafting environmental impact statements as required by the National Environmental Policy Act (NEPA), complying with the Toxics Release Inventory (TRI) under the Emergency Planning and Community Right-to-Know Act (EPCRA) and has assisted clients in meeting state and federal regulations concerning PFAS chemicals and their presence in consumer goods.

Lindsey also has significant internal investigations and litigation experience and has worked with clients in the automotive, banking, financial services and consumer products industries and represented them in all phases of complex commercial litigation.

Lindsey is committed to public service and pro bono work. In 2018, she successfully represented a wrongfully convicted client who was released from prison after nearly 25 years. She has also worked to expunge criminal records and to defend victims of child abuse. As an Army wife, Lindsey has worked with many veterans and military family legal groups and focuses on upgrading military discharge statuses. .


  • Provided guidance to clients in the biowaste, consumer product and automotive industries related to rulemakings promulgated by the U.S. Environmental Protection Agency under CERCLA, Toxic Substances Control Act (TSCA), NEPA and the Clean Air Act.
  • Defended original equipment manufacturers and aftermarket manufacturers in EPA, California Air Resources Board (CARB) and DOJ civil enforcement matters regarding Title II of the Clean Air Act.
  • Represented international automotive supplier in EPA, CARB, DOJ and various state regulators in enforcement matter regarding prohibition of defeat devices.
  • Represented off-road and light and heavy-duty vehicle manufacturers on compliance with Title II federal regulations and CARB regulations.
  • Represented automotive manufacturer in National Highway Traffic Safety Administration (NHTSA) enforcement matter and corresponding multidistrict litigation with underlying product liability and consumer protection claims.
  • Provided clients in healthcare, automotive and consumer product industries with guidance on PFAS usage and reporting requirements under state and federal law.

Recognitions and Memberships


  • New York Legal Aid Society: Pro Publica Award (2018)


Prior Positions

  • U.S. Senator Claire McCaskill: Legal Fellow (2015)
  • Missouri State Attorney General: Legal Intern (2013)
  • Missouri State Representative Rory Ellinger: Legislative Assistant (2012)
  • Missouri State Representative Joe Aull: Intern (2010)
  • U.S. Congressman Ike Skelton: Intern (2008 and 2009)


  • New York
  • District of Columbia


  • J.D., Harvard Law School, 2015; Journal on Law and Public Policy, Articles Editor; Journal on Legislation, Articles Board
  • M.A., English, University of South Dakota, 2012, magna cum laude
  • B.A., History and English, Missouri Valley College, 2010, summa cum laude