Carrie L. O'Brien

Matt Boatman joined Gallagher & Kennedy’s Personal Injury & Wrongful Death group in 2013. Since coming to the firm, he has been a member of multiple trial teams in several high profile cases. He has been recognized by the National Trial Lawyers as a top 40 civil attorney under the age of 40 in Arizona. Matt was part of the team in the Yarnell, Arizona Hotshot Firefighters’ survivors’ cases, complex medical malpractice cases that have reached multi-million dollar sett...

Leonard Aragon is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs and Personal Injury Litigation - Plaintiffs. Leonard, who practices law in Phoenix, Arizona, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Leonard is held by other top lawyers in the same geographic and legal practice area.

Clark L. Derrick began his legal career in Phoenix in 1972 after having graduated, with distinction, from the University of Arizona, College of Law and entering into the practice with John J. Flynn and the firm of Flynn, Kimerer, Thinnes & Derrick. While a student at the University of Arizona, College of Law, Clark was Symposium Editor of the Arizona Law Review and was elected a member of the Order of the Coif. He received his undergraduate, Bachelor of Arts degree in 1968 from the Univer...

Ashley L. Case is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Ashley L., who practices law in Phoenix, Arizona, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ashley L. 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...

Jack works with the firm’s transactional group, often managing the full cycle of real estate development projects, from pre-contract property investigations to erecting important commercial buildings that he counsels through leasing and sale. He has built a name for himself as an authority on real estate transactions, often leading projects for national and international developers building large-scale commercial real estate projects across Arizona. Jack has worked across the state nego...

Phil has developed a reputation as a formidable trial attorney in complex commercial litigation matters. Recently, he second chaired a five-month bench trial representing a Native American tribe in complex, multi-party litigation adjudicating the tribe’s federal reserved water rights claims for its reservation. He also regularly represents businesses in intellectual property litigation as well as public utilities in complex litigation matters, including actions initiated by government e...

Todd Hall Professional Experience Mr. Hall has extensive experience representing clients in the acquisition, finance, development, leasing and disposition of commercial. Mr. Hall’s recent engagements include general acquisition, financing, disposition and leasing of office, retail, industrial, mixed-use development projects and master-planned community development projects; representation of REITs with respect to acquisition and disposition of properties across the United States; and re...

Stephanie M. Cerasano is office managing principal of the Phoenix, Arizona, office of Jackson Lewis P.C. She has 25 years of experience practicing exclusively in the area of employment law. A significant portion of her practice involves advising businesses in their day-to-day employment decisions. She also represents employers in federal and state court, as well as before administrative agencies, with particular focus in the areas of disability discrimination, the Family and Medical Leave Act...

Phoenix business and real estate attorney Jim Valletta practices in the areas of real estate transactions, commercial transactions, business litigation and real estate litigation. Jim is a Best Lawyers in America® honoree whose transaction practice involves negotiating, preparing, and analyzing various types of commercial real estate transactions, including purchase agreements, development agreements, title, survey, financing and leasing in connection with industrial, office, retail, apar...