Mark D. Zukowski

Throughout his career, Andy has developed a reputation as a skilled negotiator and trusted advisor for complex businesses. His experience representing buyers, sellers, startup entrepreneurs, and investors has enriched his expertise in understanding transactions from multiple angles. The bulk of Andy’s practice revolves around sophisticated business transactions as well as serving as outside general counsel to private businesses and nonprofits working alongside Boards of Directors, CEOs,...

J. Gregory Cahill’s practice focuses primarily on complex construction litigation and support for residential and commercial developers and contractors. Mr. Cahill also practices in the areas of insurance litigation and coverage and commercial litigation. He represents builders and developers throughout Arizona, New Mexico, and California, including in State and Federal Court and in front of various administrative tribunals and regulatory bodies. He previously practiced in the areas of ...

Kristen is considered one of the nation’s leading “Big Data” and HIPAA compliance attorneys. She also has deep experience in data breaches, health information exchange, data sharing for research and clinical integration initiatives, clinical research compliance, clinical trials contracting, and biobanking and genomic privacy. Kristen is a sought-after national speaker on these issues and has been active in national healthcare policy. She is Past President (2013-2014) of the ...

Since the beginning of his career, Geoff has built his reputation as a lawyer’s lawyer. He serves as Osborn Maledon’s General Counsel and represents fellow attorneys in all aspects of the practice of law. For the last 30 years, his practice has split between both litigation and preventative counsel, advising on a regular basis to clients about risk management, professional liability issues, legal malpractice, bar discipline, ethics, and law practice management issues. Geoff has be...

Lindsay represents and advises companies of all sizes in employment and business litigation matters. From mom-and-pop shops to publicly-traded corporations, Lindsay’s clients value his aggressive, yet practical approach to resolving their legal disputes. Lindsay recognizes that most business disputes can be resolved without expensive and protracted litigation, and his clients often rely on him to solve their issues in a private and confidential manner, many times before a lawsuit is eve...

Chris is a member of Keller Rohrback’s Complex Litigation and Bankruptcy Groups. He has represented debtors, creditors, Court-appointed committees, and asset purchasers in Chapter 11 reorganization proceedings and workouts. In recent years he has also focused on representing plaintiffs in ERISA class actions. Chris has wide-ranging experience in complex commercial matters, from corporate restructuring to breach of fiduciary duty, commercial real estate, contracts, patent infringement, a...

Joel Nomkin is a partner in the firm's Litigation practice. He has more than 25 years of experience in the areas of complex commercial litigation and appellate law. He also frequently serves as an advisor to in-house counsel on risk management and litigation strategy.

Gena L. Sluga is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Commercial Litigation, Insurance Law and Litigation - Insurance. Gena L., who practices law in Phoenix, Arizona, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gena L. is held by other top lawyers in the same geographic and legal practice area.

Ms. Villanueva is an attorney in the firm’s Intellectual Property Department. She practices in the areas of domestic and international trademark and copyright prosecution, licensing and enforcement. Ms. Villanueva assists clients with brand development and with identifying various protectable aspects of the clients’ products, services and concepts. She also helps clients with clearing all aspects of advertising, promotional and marketing materials and products, including trademark...

Michael H. Bate is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Michael H., who practices law in Phoenix, Arizona, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael H. is held by other top lawyers in the same geographic and legal practice area.