Parsons Behle & Latimer is pleased to announce that William T. Casey III has joined Parsons’ Missoula office as its newest litigation  attorney.

Casey brings a civil litigation focus to Parsons’ Missoula office and clients, including insurance and commercial litigation, premises liability, and construction and real estate-related matters.

“Joining Parsons is an exciting step forward for my practice and my clients. Being an attorney at Parsons provides the resources and support necessary to both develop my practice and offer my clients a higher level of service. It's an exciting opportunity to grow as a legal professional while delivering exceptional value to the clients I work with,” he says.

Montana Office Managing Shareholder Liz M. Mellem says, “Will is an exciting addition to our Montana attorney bench. We appreciate the outstanding experience and tenacity he brings to clients as a litigator, and we look forward to expanding our legal service offering with Will as a member of our Missoula team.”  

After law school, Will clerked for Judge Sam E. Haddon, United States District Court for the District of Montana. He attended law school at the University of Montana, graduating with honors in 2019. During law school, he was a member of the National Trial Competition Team and the recipient of the International Academy of Trial Lawyers Award for Distinguished Achievement in Trial Advocacy.

Will was born and raised in Kennesaw, Georgia. He earned an undergraduate degree from the University of South Carolina, where he was a member of the 2011 National Championship baseball team. He is an avid outdoorsman and spends his free time fly fishing, hunting and skiing. To learn more about Casey, visit