Burley, ID

James Arnold, a Senior Partner, has dedicated his career since 1987 to helping injured individuals, specializing as a Workers’ Compensation Specialist certified by the Idaho Trial Lawyers Association and the Idaho State Bar Association. He is also a fellow of the National College of Workers’ Compensation Attorneys and a member of the Idaho Industrial Commission Advisory Committee. A University of Idaho law graduate and Idaho native, he is known for his commitment to obtaining medical care and monetary compensation for clients, including successfully arguing before the Idaho Supreme Court for undocumented workers' rights. He speaks Spanish.

Bron Rammell is a trial attorney known for litigating difficult high-profile cases. His practice emphasizes Civil Rights, Wrongful Death, Personal Injury, Employment Rights, and Criminal Defense. He is licensed in all Idaho state and federal courts and has received a Lifetime Achievement award.

Mark Wasden

Mark R. Wasden earned an undergraduate degree in English from Brigham Young University before graduating from the University of Idaho College of Law in 1991. He clerked for Judge Daniel B. Meehl and Judge J. William Hart before entering private practice. He is admitted to all courts in Idaho and has served on the Idaho Trial Lawyers Association Board of Governors. Mark has practiced law for over 30 years, is rated Top 40 by the National Trial Lawyers, and recognized as a Top 100 Personal Injury Attorney. He is active in community service and enjoys outdoor activities.

Daniel M. Gariepy

Daniel M. Gariepy is a personal injury and workers' compensation attorney with over nine years of experience. He is admitted to practice law in Idaho and is an active member of the Idaho Trial Lawyers Association and the Workers’ Compensation Section of the Idaho State Bar. He earned his Doctor of Jurisprudence degree from the University of Idaho School of Law and is a graduate of the University of San Diego. He volunteers as a youth hockey coach.

Brad Parkinson, a founding partner, is a Social Security Disability Specialist with 27 years of experience. He represents thousands of disabled clients in Idaho across Social Security Disability, Workers’ Compensation, and Personal Injury claims. Known for being hardworking and straightforward, he finds satisfaction in helping clients win their cases and secure essential disability benefits.

Dennis Petersen, who graduated from the University of Tulsa in 1980, initially worked in insurance defense before dedicating his career to representing plaintiffs and claimants against insurance companies. He handled over two thousand personal injury cases before co-founding Petersen and Parkinson in 1997, which later became Petersen, Parkinson & Arnold. He represented injured workers in Southern and Southeast Idaho for over 35 years, taking hundreds of cases to hearing and settling thousands more. He now provides consultation to the firm.

Matthew Vook is a Workers' Compensation Specialist who joined Petersen, Parkinson & Arnold in April 2018. He handles workers' compensation and personal injury cases, having litigated and settled numerous claims. Certified by the Idaho Trial Lawyers Association as a Workers’ Compensation Specialist, he previously served as chairperson of the Idaho State Bar's Workers’ Compensation Section Council. His unique perspective comes from working for the Idaho Industrial Commission and an insurance company, as well as running his own practice, ensuring clients receive optimal outcomes. He is also on the board of Kids Chance of Idaho.