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Spencer Fane Environmental and Energy Law Practices Gain Denver Associate with Mining Focus

October 9, 2025

Spencer Fane LLP is pleased to welcome Brianna Mathias to the firm’s Denver office as an associate in the Environmental and Energy Law practice groups.

Brianna provides practical, compliance-based counsel to businesses navigating both simple and complex environmental and energy law matters, with specific experience gained during her time as an attorney-advisor within the Federal Mine Safety and Health Review Commission in Denver. In this position, she provided comprehensive support to administrative law judges in trial and appellate review proceedings of legal disputes between the Mine Safety and Health Administration and mining operators.

“We always look forward to the opportunity to grow our robust environmental and energy law teams with talented new attorneys,” said Ron Fano, office managing partner for Spencer Fane in Denver. “Brianna’s experience in the public sector will provide our team the ability to view both established and emerging industry matters from a new perspective, which will be incredibly valuable to our clients.”

Brianna obtained her bachelor’s degree in biology from Amherst College and earned her Juris Doctor from the University of Colorado Law School. While in law school, she completed internships with the Natural Resources and Environment Section of the Colorado Attorney General’s Office, the Colorado Office of Administrative Courts, and for the Honorable William W. Hood of the Colorado Supreme Court.

Spencer Fane
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