William D. "Bill" O'Neill

Aaron M. DeLong is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Transactions / UCC Law. Aaron M., who practices law in St. Louis, Missouri, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Aaron M. is held by other top lawyers in the same geographic and legal practice area.

Andrew Ryan is a top attorney recognized by Best Lawyers in the practice area(s) of Product Liability Litigation - Defendants. Andrew, who practices law in St. Louis, Missouri, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew is held by other top lawyers in the same geographic and legal practice area.

Melissa Pesce is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Melissa, who practices law in St. Louis, Missouri, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Melissa is held by other top lawyers in the same geographic and legal practice area.

John Fox Arnold has served as general counsel and special counsel to public agencies, represented firms engaged in the underwriting and public offering of securities, and has represented developers and owners during acquisition and construction of governmental, commercial and urban redevelopment projects. In addition, he has structured sales tax rebate, tax abatement and tax increment financing transactions, and served as counsel in tax-incentivized transactions. Mr. Arnold has served as bond...

Amy Bender-Levy is a member of the Firm’s family law department and is licensed to practice in Missouri and Illinois as well as the US District Court for the Eastern District of Missouri. Amy’s practice focuses on divorce, custody, modification, orders of protection, third-party custody, guardianship of adults and minors, and grandparents’ rights. Amy serves as a Guardian ad Litem representing the best interests of children in those cases in which she is appointed by the cou...

J. Bradley Young has almost thirty years of experience in all aspects of workers compensation defense in both Missouri and Illinois, including the investigation of claims, trials, and appellate work. Mr. Young has spoken before corporate organizations and at in-house client seminars for many years, and frequently lectures for nationally known seminar companies on topics relating to workers’ compensation claims, employer liability, and third-party administration of claims.

Kate L. Nash practices primarily in the areas of higher education, education, non-profit, litigation, labor and employment law. Kate works primarily with educational institutions, including public and private colleges and universities, community colleges, public school districts and charter schools. She regularly advises these institutions, as well as private employers, on all manner of employment issues including Title VII, the ADA, the ADEA, the FMLA and related state laws. She advises inst...

A Fuller Glaser is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. A Fuller, 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 A Fuller is held by other top lawyers in the same geographic and legal practice area.

Kari is a founding member of O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC. Her practice includes all aspects of personal injury litigation, including: catastrophic injuries, many of which result in amputations; wrongful death claims; products claims; premises liability cases; auto and trucking accidents; all-terrain and side by side/utility-task vehicle accidents; forklift accidents; electrocution and power line cases; construction accidents; workplace accidents; and workers...

Kenneth P. Danzinger is a top attorney recognized by Best Lawyers in the practice area(s) of Product Liability Litigation - Plaintiffs and Workers' Compensation Law - Claimants. Kenneth P., 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 Kenneth P. is held by other top lawyers in the same geographic and legal practice area.