Ms. Jantzen attended the University of Oklahoma where she earned a B.A. in Philosophy. After receiving a Masters Degree in Classics from St. John’s College in Santa Fe, New Mexico, she worked as a policy analyst with the New Mexico Office of the Governor and Department of Public Safety. She received her J.D. from Cornell School of Law and before returning to Oklahoma, she practiced in Santa Fe in the areas of antitrust, environmental, and water law.
Ms. Jantzen is admitted to practice in Oklahoma and New Mexico and her practice involves both state and federal litigation and administrative proceedings. Ms. Jantzen has represented a variety of commercial, industrial, and agricultural clients on matters that involve:
environmental litigation, permitting,and enforcement under the Clean Water Act, the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), and the Resource Conservation and Recovery Act (RCRA);
remediation of contaminated properties;
oil and gas royalties;
the federal Natural Gas Act and the underground storage of natural gas;
agricultural and industrial permitting and compliance (both state and federal);
solid and hazardous wastes;
water quality, storm water runoff, and wastewater treatment;
sale and transfer of contaminated properties;
the federal Archaeological Resources Protection Act and the Native American Graves Protection and Repatriation Act; and business transaction disputes such as breach of contract, insurance coverage disputes, and employment matters.
In addition to her experience in administrative matters and litigation, Ms. Jantzen also has experience on appellate matters in the States of Oklahoma, New Mexico, and Texas, as well as the United States Supreme Court and the United States Court of Appeals for the Tenth Circuit.