Joseph Callahan

Litigator James G. Martin defends corporations and individuals facing high-stakes, complex business lawsuits, white collar criminal charges, and allegations of corporate governance and compliance violations. A former U.S. attorney for the Eastern District of Missouri, Jim is regularly lead defense counsel in class action and civil litigation matters, including SEC fraud and healthcare fraud in False Claims Act (FCA) litigation. Corporations also call on him to lead internal investigations rel...

Luther W. Simmons, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Luther W., who practices law in Alton, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Luther W. is held by other top lawyers in the same geographic and legal practice area.

Jessica L. Liss is the office managing principal of the St. Louis and Kansas City, Missouri, and Overland Park, Kansas, offices of Jackson Lewis, P.C. Based in St. Louis her entire career, Jessica is a seasoned trial attorney with extensive experience litigating all forms of employment matters throughout the Midwest, in federal courts, state courts, and before administrative agencies, arbitrators and mediators. Jessica is a trusted advisor providing ongoing legal support and counsel on a dail...

This year I was selected as Lawyer of the Year for 2016 by Mo. Lawyers Weekly. Also received award for 2nd largest defense verdict in Mo. for year 2015. ($50,000,000)

Joseph Demko is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law and Trusts and Estates. Joseph, who practices law in Clayton, Missouri, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joseph 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...

Alex Lamb ’s desire to help others began early in life. He spent significant time at Cardinal Glennon Children’s Hospital while his father served as director of the Respiratory Care department. During those years, Alex observed the compassion and dedication of medical professionals assisting children and their families, which left a lasting impression on him. He volunteered where he could, including serving as a junior counselor at a summer camp for children with asthma. At the sa...

Melissa G. Nolan is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Melissa G., 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 Melissa G. is held by other top lawyers in the same geographic and legal practice area.

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.

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.