Tyler M. Cuff

Stan Harris is a shareholder with Modrall Sperling and has twenty years of litigation experience. Stan practices in the areas of public lands, natural resources, and commercial litigation. He has advised clients at the judicial, administrative, and legislative levels on federal, state, and local issues. Stan has extensive experience in the representation of parties in their disputes involving cultural property, public lands, Indian lands, oil and gas industry, environmental infrastructure mat...

Stuart Butzier has assisted mining, energy, high-tech, industrial and ranching clients throughout his thirty-plus year legal career with Modrall Sperling. His counsel has included helping clients strategically navigate the maze of environmental and mining regulatory and permitting regimes, the morass of litigation, and the unique challenges of complex deals and real property transactions involving private, Federal, State, Indian and split-estate lands. Recognized in the area of Natural Resour...

Sonya Burke is a shareholder in the firm’s Litigation group, where she practices primarily in insurance coverage defense. She represents insurance companies and their insureds in a variety of contexts. Sonya represents professionals in professional liability matters, and has represented realtors, attorneys, and contractors. She also assists with construction and design cases, employment matters including EEOC investigations, and breach of contract litigation. Sonya has been recognized a...

Spencer Edelman’s practice is focused in the areas of creditors’ rights and commercial litigation. In his creditors’ rights practice, Spencer assists banks and other creditors in foreclosures, collections actions, and bankruptcies. This spans a variety of industries including manufacturers, dairies, hotels, multi-family housing, and commercial real estate. In 2013-14 he served as a law clerk for United States Bankruptcy Judge David Thuma. Spencer has assisted large financial...

Walter brings more than thirty-five years of experience providing representation, advice and counsel to businesses and individuals in their dealings with Indian tribes and public land management agencies, like the U.S. Bureau of Land Management, the U.S. Forest Service and New Mexico State Land Office. Walter’s practice is focused on natural resources, energy and environmental law. Clients throughout the west and across the country seek Walter’s advice in matters involving transac...

Elizabeth Ashton is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Elizabeth, who practices law in Albuquerque, New Mexico, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Elizabeth is held by other top lawyers in the same geographic and legal practice area.

Maria has practiced in the areas of Natural Resources, Environmental and Utility law for over twenty years. Her primary focus is on water resources, water quality, and related regulatory matters including National Environmental Policy Act (“NEPA”) and Endangered Species Act (“ESA”) compliance. She represents clients from both the public and private sectors before the Office of the New Mexico State Engineer, the New Mexico Public Regulation Commission federal agencies, ...

Alex Walker has an active civil litigation practice representing business clients in all types of complex cases in both state and federal courts. He has substantial experience in defending personal injury and products liability cases, and regularly defends companies in litigation over medical device failures, prescription drug injuries, and other products-related litigation, as well as various other types of bodily injury and death claims. In addition, Alex frequently represents businesses in...

William Gregory Kelly is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law. William Gregory, who practices law in Albuquerque, New Mexico, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William Gregory is held by other top lawyers in the same geographic and legal practice area.

Chris Killion’s practice focuses on oil, gas, and mineral development, including issuing drilling, division order, and acquisition title opinions for oil and gas companies for properties in New Mexico and Texas, as well as representing those companies before regulatory bodies. Chris helps clients comply with state and federal regulations related to mineral development and represents clients in transactions involving purchase and sale of mineral rights. An Alabama native, Chris is licens...