Ana Maria Gutierrez

Ana Maria Gutierrez


Email [email protected]​

Phone +1 303 454 2514

Fax +1 303 899 7333

Practice groupGlobal Regulatory

"Ana has a depth of knowledge and understanding of very technical issues. She understands the industry and our facilities, and has an amazing ability to communicate with the regulators, folks within our company, and the counsel at other companies in a way that is influential."

Chambers USA

As a preeminent environmental, natural resources, and public lands lawyer, Ana Maria Gutiérrez knows the lay of the land.

She is recognized for her knowledge on environmental and permitting issues affecting a variety of industries, including but not limited to power transmission, oil and natural gas (exploration, production, refining, transport, and storage both onshore and offshore), natural-resource, manufacturing, refinery, food and beverage, pharmaceutical, waste management and other industries. Ana uses her wealth of knowledge to provide sophisticated advice to clients to mitigate risk and obtain successful outcomes.

Ana provides counsel to companies in the implementation of compliance programs (including environmental, sustainability, and governance programs), climate initiatives, rulemakings, environmental enforcement matters, and due diligence in transactional matters across a broad scope of environmental issues, including but not limited to matters related to the Clean Air Act, the Clean Water Act, public lands, the National Environmental Policy Act, the Endangered Species Act, the Pipeline and Hazardous Materials Safety Administration regulations, as well as various other federal environmental statutes and regulations.

Ana has local, Rocky Mountain regional, national, and international experience, and offers well-rounded and strategic counsel to policy and legal matters. She is committed to meaningful, effective engagement with a variety of stakeholders to advance important projects and goals.

Ana has received multiple awards and recognitions for her keen representation of clients, including being recognized as an "Up-and-Coming Lawyer" by Law Week Colorado in 2014 and a "Top Women in Energy" by the Denver Business Journal in 2016 and 2020. As an active member of her community, Ana is immediate past President of the Colorado Pledge to Diversity and a member of the Denver Metro Chamber Leadership Foundation's Leadership Class of 2020.

Awards and recognitions


Environment; Nationwide, Band 4
Chambers USA


Energy & Natural Resources; Colorado, Up and Coming
Chambers USA


Environment: Regulatory
Legal 500 US

2016, 2020

Top Women in Energy
Denver Business Journal


Up-and-Coming Lawyers
Law Week Colorado

Education and admissions


J.D., University of Denver Sturm College of Law, Order of St. Ives, 2011

B.A., Seattle University, magna cum laude, 2007


Member, American Bar Association

Member, Colorado Bar Association

Member, Colorado Hispanic Bar Association

Bar admissions and qualifications


Representative experience

Represented a state association and several oil and gas producers in methane rulemaking before the Colorado Air Quality Control Commission.

Represented a renewable energy developer in the permitting of a large-scale wind project with complex and cutting edge environmental issues.

Represented a utility provider in obtaining necessary federal permits from the U.S. Forest Service and other public land management agencies.

Represents ski areas on environmental and federal land use matters.

Advising on oil and gas transactions and related due diligence, domestically and internationally.

Represents a major transmission and natural gas storage company regarding CAA regulatory and enforcement issues.

Represents a major oil and gas company regarding Pipeline and Hazardous Materials Safety Administration regulations matters for both onshore and offshore operations.

Significant experience in representing the oil and gas industry with matters relating to the Endangered Species Act issues.

Advised numerous oil and gas companies in obtaining leases, permits to drill, and rights-of-way from the BLM, including counsel regarding NEPA compliance.

Advised oil and gas companies regarding lease protests.

Drafted comments on behalf of oil and gas companies relating to BLM land use management plans, including related to proposed leasing stipulations.

Representing a power company in a major Clean Air Act (CAA) enforcement case initiated by the DOJ and EPA.

Represented a major industrial manufacturer regarding NSR compliance and permitting obligations.

Represented multiple major upstream companies before DOJ, EPA, and state agencies regarding alleged CAA and state implementation plan violations.

Provided regulatory counsel to oil and gas companies on Tribal NSR and Tribal implementation plan compliance obligations.

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