Overview
Powerful advocacy. Compassionate counsel.
Founded by trial attorneys Amy Collignon Gunn and Erica B. Slater in 2025, Gunn | Slater focuses on catastrophic personal injury matters. Joining with nearly 45 years of combined experience, Amy and Erica have won record-setting verdicts, including the largest birth injury verdict in Missouri in March, 2025.
We are trial-tested attorneys representing real people harmed by medical errors, reckless drivers, and careless corporations. We take on our clients’ problems and solve them while providing thoughtful guidance and support.
We fight. We care. We win.
Rankings
National
Tier
3
National Ranking
Mass Tort Litigation / Class Actions - PlaintiffsRegional
St. Louis
Tier
1
St. Louis
Mass Tort Litigation / Class Actions - PlaintiffsTier
1
St. Louis
Medical Malpractice Law - PlaintiffsTier
1
St. Louis
Personal Injury Litigation - PlaintiffsTier
1
St. Louis
Product Liability Litigation - PlaintiffsRankings
National
Tier
3
National Ranking
Mass Tort Litigation / Class Actions - PlaintiffsRegional
St. Louis
Tier
1
St. Louis
Mass Tort Litigation / Class Actions - PlaintiffsTier
1
St. Louis
Medical Malpractice Law - PlaintiffsTier
1
St. Louis
Personal Injury Litigation - PlaintiffsTier
1
St. Louis
Product Liability Litigation - PlaintiffsPractice Areas
Gunn | Slater has been ranked by Best Law Firms for excellence in 4 specialties, reflecting the firm's commitment to delivering outstanding legal services.
Additionally, the firm provides services in these practice areas:
- Legal Malpractice Law - Plaintiffs
- Mass Tort Litigation / Class Actions - Plaintiffs
- Medical Malpractice Law - Plaintiffs
- Personal Injury Litigation - Plaintiffs
- Product Liability Litigation - Plaintiffs
Individuals Recognized in The Best Lawyers in America®
Gunn | Slater proudly has 2 lawyers recognized for their outstanding professional performance in the 2026 edition of The Best Lawyers in America®. This peer-reviewed honor highlights individual excellence and directly qualifies the firm for consideration in the prestigious Best Law Firms rankings. For over four decades, Best Lawyers has been the gold standard for recognizing top legal talent, serving as the cornerstone for Best Law Firms awards. Learn more about our rigorous Best Lawyers research and selection process.
Offices & Contacts
Clayton, MO
The Sevens Building
7777 Bonhomme Avenue, Suite 1600
Clayton, MO 63105
United States