About
Whitney Cossio is a partner at Cook & Cossio in Little Rock, Arkansas. She represents injured people and their families in medical malpractice, negligent and inadequate security, and wrongful death cases. Her practice focuses on holding medical providers and business owners accountable for harm caused by negligence. She combines personal injury litigation experience with responsive communication during difficult periods in clients’ lives.
Whitney earned her B.A. in Journalism & Political Science from the University of Arkansas in 2010. She received her J.D. from UALR William H. Bowen School of Law in 2014. Her academic background connects communication and public affairs with legal training. Clear writing and careful analysis are useful throughout injury litigation, from understanding a client’s account to presenting the issues in dispute.
Whitney began her legal career in personal injury litigation after law school and has represented injured clients for more than a decade. She is licensed in Arkansas, Tennessee, and Georgia, with federal court admissions that include the Eastern and Western Districts of Arkansas and the Western District of Tennessee. Her admissions also include the 8th Circuit United States Court of Appeals.
Whitney Cossio serves on the publications committee of the Arkansas Trial Lawyers Association. Her professional memberships also include the Arkansas Bar Association and Arkansas Association of Women Lawyers. She has contributed to legal publications and emphasizes empathy, support, and responsiveness in client relationships. That approach helps families stay informed while pursuing claims involving medical care, unsafe premises, and the loss of a loved one throughout Arkansas communities.
Law Office Affiliations
- Partner, Cook & Cossio Attorneys
- Member, Arkansas Bar Association
- Member, Tennessee Bar Association
- Member, State Bar of Georgia
- Member and Publications Committee Member, Arkansas Trial Lawyers Association
- Member, Arkansas Association of Women Lawyers
- Member, Trinity Episcopal Cathedral
- Member, Arkansas Children’s Hospital Auxiliary
- Member, Delta Delta Delta
Licensed State
- Arkansas
- Tennessee
- Georgia
Education
- UALR William H. Bowen School of Law
Juris Doctor (JD) - University of Arkansas
Bachelor of Arts (BA) in Journalism & Political Science
Awards & Badges





- Medical Malpractice
- Wrongful Death





