Michael J. Tucker

As an attorney and certified public accountant, Erik focuses his practice in all areas of federal tax law, with an emphasis on partnerships, limited liability companies, C and S corporations, real estate, international taxation, and civil tax controversy. He provides tax planning, structuring, and documentation for business and individual clients, including joint ventures and tax-exempt organizations. Prior to joining Gallagher & Kennedy, Erik was a Manager in the Washington National Tax ...

With more than twenty years of experience in federal, state, and local air quality laws and in representing clients across the U.S. from a variety of industries, Bill is uniquely skilled at providing effective counsel and working toward solutions that best serve his client’s specific needs. Bill is dedicated to helping clients understand their compliance obligations under the myriad of air quality programs, regulations, and agency guidance so that such obligations can be managed as effe...

Karen represents health care systems, hospitals, clinics, and other providers in matters of quality management, medical staff credentialing and peer review, medical staff structures, bylaws and confidentiality, as well as National Practitioner Data Bank, state professional board, and other government reporting. She also regularly assists health care providers with state licensure and Medicare certification, survey compliance, Joint Commission accreditation, EMTALA compliance, patient consent,...

E. Jeffrey Walsh, who has practiced law for more than 30 years, is an AV ® peer review rated litigator who has been recognized in the 2005 to 2014 editions of The Best Lawyers in America , in Southwest Super Lawyers , including, in 2009, among the "Top 50 in Arizona," in Arizona Business Magazine 's "Top Attorneys of Arizona," and in the Business Journal 's "Best of the Bar in Phoenix Metropolitan Area." His practice focuses on business litigation and trials, real estate litigation, and c...

Kathryn K. McCormick is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice. Kathryn K., who practices law in Phoenix, Arizona, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kathryn K. is held by other top lawyers in the same geographic and legal practice area.

Jennifer Cranston (formerly Ratcliff) focuses her practice in three primary areas: real estate disputes involving condemnation and valuation issues; insurance coverage analysis and bad faith litigation; and public utility regulation. Jennifer’s objective is to provide sound legal advice, exceptional service, and cost-effective resolution for all her clients. She has successfully negotiated favorable settlements, as well as prevailed for clients at hearings, in arbitrations, at trial, an...

A senior partner and Best Lawyers® honoree, Jonathon Morrison’s practice is focused on tax, business and estate planning for clients with large or complex estates. He is licensed in both Arizona and California and is a Certified Specialist in Estate Planning, Trust and Probate Law in California. After a decade practicing with preeminent estate planning law firms in Silicon Valley, Jonathon gained a mastery of virtually every estate and tax planning strategy in existence. With his un...

Laura Sixkiller is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Mergers and Acquisitions, Litigation - Regulatory Enforcement (SEC, Telecom, Energy) and Litigation - Securities. Laura, who practices law in Phoenix, Arizona, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Laura is held by other top lawyers in the same geographic and legal practice area.

Jasmina Richter practices in the areas of commercial litigation, intellectual property, professional liability defense, construction defect litigation, insurance coverage and bad faith litigation. As part of her insurance coverage and bad faith litigation, Jasmina represents insurers in complex insurance coverage actions. Jasmina analyzes coverage under a wide variety of policies including commercial general liability, commercial property, professional liability, director and officer liabilit...

James R. Huntwork is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. James R., who practices law in Phoenix, Arizona, has been recognized since 1987. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James R. is held by other top lawyers in the same geographic and legal practice area.