Joshua Barton is a trial lawyer with experience handling catastrophic personal injury, wrongful death, medical malpractice and other cases defending the rights of people who have been injured by other’s negligence. As a founding partner at CalderonBarton, he is committed to helping individuals who would otherwise be intimidated and overwhelmed by the legal system. Mr. Barton takes pride in helping people get the results they are seeking, both in monetary justice and systemic improvements to corporate culture. He leads the firm’s efforts to be “Trial Ready & Tech Savvy” using technology to improve clients’ overall experience working with lawyers by investing in leading-edge software that makes responding to client Mr. Barton’s experience as a trial lawyer began in law school when he volunteered with the Ninth Circuit Pro Bono Appellate Project where he argued before the Ninth Circuit Court of Appeals. He also volunteered as a student prosecutor for the City of Tucson, including trial experience prosecuting misdemeanor trials in Tucson. Mr. Barton was a member of the University of Arizona’s trial advocacy team, where he won the competition’s regional championship. In 2015, he began practicing at a large national law firm with an excellent reputation for trial advocacy successfully representing clients in high-stakes plaintiff’s litigation. Joshua gained valuable experience litigating personal injury cases by working on a wide variety of cases, from initial client intake through discovery, deposition, settlement negotiations and preparing for trial. That experience and his commitment to a laser-like focus on serving clients’ needs with direct, responsive and personalized service lead him to found CalderonBarton.

Joseph Martineau is a practicing lawyer in the state of Arizona. Attorney Martineau received his J.D. from the Brigham Young University, J. Reuben Clark Law School in 1976.

Sadly when you suffer an injury at work, it threatens your health, your career, and your livelihood; and for these reasons, it is important that you allow the Messer Law Group, LLC help you through these challenging times, by serving as your DEDICATED ADVOCATES!!! Since 1999, we have helped thousands of injured workers’ get temporary and permanent compensation and medical benefits, after suffering a work related injury. We have also helped thousands of individuals with disabilities get Social Security Disability and Medicaid/Medicare benefits, since 1999. At the Messer Law Group, we are ready to stand by your side and to be your personal advocates in all of your needs, throughout ALL of Arizona (Phoenix, Prescott, Tucson, Flagstaff, Lake Havasu, Bullhead, Kingman, Show Low, or in whichever community your reside in our Great State Of Arizona!!