John F. Mahon, Jr.

A. Courtney Cox is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. A. Courtney, who practices law in Edwardsville, Illinois, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which A. Courtney is held by other top lawyers in the same geographic and legal practice area.

Special Areas of Focus: Automobile Collision Birth Trauma Brain Injury Catastrophic Injury Hospital Malpractice Medical Malpractice Medical Negligence Nursing Homes Personal Injury Product Liability Professional Malpractic Wrongful Death Awards and Associations: American Bar Association The Missouri Bar Illinois State Bar Association The Bar Association of Metropolitan St. Louis The Association of Trial Lawyers of America American Association for Justice Missouri Association of Trial Attorney...

Shareholder Amy Garrett brings more than 22 years of litigation experience to her leadership role as Assistant Managing Partner at Simmons Hanly Conroy. She has developed a fierce reputation for protecting the rights of her asbestos and complex litigation clients both in and out of the courtroom. “I have a genuine interest in every person’s story and feel like it’s my job to give our clients the power to fight for themselves and their families,” Amy said. During Amy&rs...

James Corrigan is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. James, who practices law in St. Louis, Missouri, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James is held by other top lawyers in the same geographic and legal practice area.

Brian M. Wacker is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Brian M., who practices law in St. Louis, Missouri, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian M. is held by other top lawyers in the same geographic and legal practice area.

Ronald K. Fisher is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. Ronald K., who practices law in Chesterfield, Missouri, has been recognized since 1989. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ronald K. is held by other top lawyers in the same geographic and legal practice area.

John Challis is the Managing Partner at Kembell Woods & Martinsen, where he advocates for individuals and businesses in a wide range of contested matters. With a focus on fiduciary litigation and administration, John is recognized for delivering outstanding results for his clients through negotiation, mediation, and litigation. ​He counsels clients on fiduciary relationships, disputed administration, will and trust contests, and asset transfer disputes, drawing on substantial trial and ap...

Mat Eilerts has gained a reputation as a skilled and knowledgeable Family Law attorney in Missouri and Illinois. Having specialized in Family Law for almost 20 years, Mat has handled thousands of domestic relations cases in the St. Louis Metropolitan area, including high conflict and complex dissolution of marriage and custody matters. He possesses a unique style in the area of Family Law due to his experience as not only a successful litigator, but as a trained and experienced mediator and g...

Allison Gerli is a top attorney recognized by Best Lawyers in the practice area(s) of Collaborative Law: Family Law, Family Law and Family Law Mediation. Allison, who practices law in St. Louis, Missouri, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Allison is held by other top lawyers in the same geographic and legal practice area.

Seth G. Gausnell has 30 years of experience as a trial lawyer. In total, he has tried more than 100 cases to verdict. He received a B.S. in Business Administration from the University of Kansas in 1983 and received his J.D. in 1985 from Saint Louis University Law School. Seth was admitted to the Bar in Missouri in 1986; the Bar in Kansas in 1987; and the Bar in Illinois in 1988. He is also admitted to practice in the United States District Court in the Eastern District of Missouri, Western Di...