Amy Cotton Peterson

Roger Cohen has over 40 years’ experience as a business attorney, representing clients in both litigation and transactions. He has a deep knowledge and understanding of commercial law and the litigation process and is a forceful and effective advocate for his clients. Roger’s experience as a transactional attorney adds value in the litigation setting, as he can relate the documentation process to issues that arise in business and commercial disputes. Conversely, his knowledge and ...

Rod focuses his practice in all aspects of land use and planning, including zoning approvals, development master plans, variances, use permits, design review, building permitting, subdivision approvals, general plan amendments, subdivision/platting approvals and development agreements. He represents office developers, hotel developers, master planned community developers, home builders, convenience store developers, large retailers, industrial users, mobile home park owners/operators, highway...

Aaron Harmon has built a strong reputation in Arizona’s entrepreneurial community as a lawyer who provides practical counsel to founders, executives and investors alike. Aaron represents startups, established companies and investors in angel, venture capital and private equity financings, in mergers and acquisitions, in negotiating and drafting commercial contracts, and in general corporate and commercial matters. Aaron began his legal career as a judicial clerk for Chancellor William B...

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,...

Kiersten A. Murphy is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Kiersten A., who practices law in Phoenix, Arizona, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kiersten A. is held by other top lawyers in the same geographic and legal practice area.

Jordan Green, a partner in the firm's Litigation practice, focuses his practice on white collar criminal defense, corporate compliance, internal investigations and commercial litigation. Jordan has represented individuals and businesses in governmental investigations relating to tax, the environment, OSHA , MSHA , securities , mail and wire fraud, antitrust, the Foreign Corrupt Practices Act, government contracting, immigration and political contributions. He has authored corporate compliance...

A State Bar of Arizona Board Certified Family Law Specialist, Mitchell “Mitch” Reichman has the knowledge and experience to manage high conflict divorces with substantial assets. Mitch focuses his practice only in family law and represents clients in high-stake divorce matters. He is one of only 1,650 family law attorneys in the United States admitted as a fellow in the American Academy of Matrimonial Lawyers. Academy fellows are considered as preeminent family law attorneys with ...

Benjamin Wright is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Benjamin, 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 Benjamin is held by other top lawyers in the same geographic and legal practice area.

Colin was appointed a Judge of the Maricopa County Superior Court in 1990 after twelve years of practicing both civil and criminal trial law. During his 17 years as a Judge, he sat on assignments related to nearly every area of law including civil, criminal, juvenile, and family matters. He was Presiding Judge from 2000 to 2005. After his retirement from the Bench, Colin returned to Osborn Maledon in 2007 where he maintains an active personal injury tort, commercial litigation, and public law...

Joe Mais is an experienced trial lawyer who has tried more than 20 jury trials, bench trials and arbitrations. He also has served as lead counsel in many significant matters that were successfully resolved before trial. He has served as lead counsel in a wide range of matters including multiple securities, intellectual property, and consumer actions, as well as contract, business tort and real estate litigation. Joe is currently ranked by Chambers as an Arizona Band One litigator, and describ...