Mark S. O'Connor

Mr. Silverman focuses his practice on energy law. Before joining the Firm, he served as General Manager of Salt River Project (SRP) from 1994 to 2011. Well known throughout the Valley, Mr. Silverman serves in leadership roles for many business and nonprofit organizations.

Garrick Gallagher joined the firm in 1988, and is a Shareholder, Director and Past President (2000-2006) of the firm. Mr. Gallagher earned his Juris Doctor from the University of Arizona College of Law in 1984, and his Bachelor of Arts in Economics from the University of Pennsylvania in 1981. Mr. Gallagher concentrates his practice on complex civil litigation throughout Arizona, the United States, and abroad. He has been interviewed by Dateline NBC, local news networks, the Los Angeles Times,...

Bill King’s trial practice focuses on complex commercial litigation and plaintiff advocacy before state and federal courts. He is a proven litigator, trial and appellate attorney, plaintiff advocate, and problem solver for businesses and individuals involved in serious and high-stakes disputes.

Marki Stewart assists hospitals, physician groups, ambulatory surgery centers, telemedicine providers, and other health care organizations in a variety of business and regulatory issues, including the Anti-Kickback Statute and the Stark Law, reproductive health law in the wake of the Dobbs decision, medical practice acquisitions, Arizona Department of Health Services licensing issues, medical staff peer review matters, and hospital-physician joint ventures. Marki has a special focus and inter...

Casey Blais is an attorney who practices in the areas of commercial litigation, real estate law and landlord/tenant disputes. He regularly represents individuals, lenders, developers, and other private and public entities in bringing and resolving a variety of legal matters. Representative cases include real estate title and litigation matters, foreclosure actions, business and contract disputes, landlord tenant actions, real estate non-disclosure disputes, and judgment collection cases. In 2...

Patrick Clisham has extensive experience representing clients in complex corporate transactions, including loan documentation and restructurings, asset acquisitions and sales, lease negotiations and enforcement, and business transactions. Patrick’s experience primarily derives from representing secured and unsecured creditors, corporate debtors, trustees and examiners in corporate bankruptcy proceedings and out of court workouts.Patrick joined Engelman Berger in 2009 after relocating fr...

Jessica Everett-Garcia has nearly two decades of experience representing a wide variety of clients in commercial litigation matters, with particular emphasis on business and contract disputes for high tech clients. Her experience extends to state and federal court matters, jury and non-jury trials, appeals, arbitrations, and government investigations.

Lee practices environmental law relating to water quality, water rights, environmental compliance auditing, solid and hazardous waste, mining and mined land reclamation and remediation, toxic substances and Superfund matters. With nearly 25 years experience, Lee has a nationally-recognized water quality practice and works closely with his clients on the federal, state and local levels to develop workable strategies to promote development and expansion of both industrial and mining operations....

Nonnie partners with employers and managers in three primary ways: litigation avoidance through counseling and training; investigations and resolutions when issues arise; and litigating complex and challenging cases to defend employer’s actions. Nonnie advises and counsels private and public employers in all aspects of employment law. Nonnie regularly partners with clients to plan and implement reductions in force, severance plans and agreements, and pre-litigation disciplinary matters....

Chris Welker is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Personal Injury Litigation - Defendants. Chris, who practices law in Phoenix, Arizona, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Chris is held by other top lawyers in the same geographic and legal practice area.