
Environment
USA Guide 2026 : Colorado
Rankings

Ranked Individuals
Ranked Individuals
Chambers Review
Provided by Chambers
Work Highlights
Provided by Chambers
Williams, Weese, Pepple & Ferguson served as lead counsel for American Petroleum Institute on air quality and environmental matters affecting the oil and gas industry in the state of Colorado.
Strengths
Provided by Chambers
The WWPF team has a strong understanding of our business. Its advice reflects awareness of the business implications and practicality of implementation.
Environment respondentUSAWWPF staff have extensive experience in the oil and gas industry. It provides value in its ability to comprehend issues and find solutions.
Environment respondentUSAThe WWPF team members are true air compliance experts.
Environment respondentUSA
Notable Practitioners
Provided by Chambers
Band 1 
Band 1 
Jennifer Biever
Jennifer Biever is highly regarded for the assistance she provides to clients from the energy industry on matters pertaining to environmental regulation and permitting, with notable strength in air quality regulation. Jenn Biever delivers service that goes above and beyond. She is a great resource for her legal knowledge, expertise and ability to collaborate with others to solve issues.
Environment respondentUSAJenn has great expertise in air issues.
Environment respondentUSA
Band 2 
Band 2 
Zeke Williams
Zeke Williams is experienced in handling a range of contentious environmental matters for clients in the natural resources sector. He is particularly noted for his focus on federal public lands. Zeke is very knowledgeable and committed.
Environment respondentUSAZeke is terrific to work with.
Environment respondentUSA
Band 4 
Band 4 
Carlos Romo
Carlos Romo has notable experience advising clients on a range of transactional and regulatory issues. He is well versed in contamination and permitting matters. Carlos works on a highly technical and regulated part of the law and is very knowledgeable. He has hard-to-find expertise.
Environment respondentUSACarlos has deep knowledge and expertise in water issues and is very responsive.
Environment respondentUSA
Band 4 
Band 4 
Clay Taylor
Clay Taylor is noted for his practice at the intersection of environmental and oil and gas matters. He has significant expertise in EPA enforcement actions.
Clay is a go-to for all air compliance-related issues.
Environment respondentUSA
Up and Coming 
Up and Coming 
Dale Ratliff
Dale Ratliff operates an impressively broad environmental law practice. He acts on a variety of mandates including permitting, rule-making proceedings and public lands issues.
Dale is very responsive and has a deep knowledge of water issues.
Environment respondentUSADale is always responsive and provides excellent summaries of the process and outcomes of litigation.
Environment respondentUSADale is thoughtful and service-oriented.
Environment respondentUSA
Ranked Individuals at Williams, Weese, Pepple & Ferguson (5)
Members
Provided by Williams, Weese, Pepple & Ferguson

Carlos Romo
View profile of Carlos Romo
Zeke Williams
View profile of Zeke Williams
Jennifer Biever
View profile of Jennifer Biever
Dale Ratliff
View profile of Dale Ratliff
Clay Taylor
View profile of Clay Taylor
What success is built on
Chambers is the leading data and intelligence partner for the legal sector.