John V. McCoy

Grant Killoran is a shareholder at O’Neil Cannon and the Past Chair of its Litigation Practice Group. He has significant and diverse trial experience representing clients in Wisconsin State and Federal Courts, and courts around the country, focusing on complex business, health care and employment law disputes. Grant also devotes a portion of his practice to arts and entertainment law, with an emphasis on the music industry. Grant is listed in The Best Lawyers in America® in the prac...

Steven C. McGaver is a top attorney recognized by Best Lawyers in the practice area(s) of Civil Rights Law. Steven C., who practices law in Milwaukee, Wisconsin, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven C. is held by other top lawyers in the same geographic and legal practice area.

Mark Malloy is a trial lawyer who represents businesses in all types of commercial litigation, primarily advising companies in the areas of insurance coverage, extra-contractual liability, and professional liability. Mark is licensed in Wisconsin, Minnesota, and Illinois, and various federal courts. He represents companies in litigation across the country. Clients contact Mark for analysis and opinions relating to complex insurance coverage issues for both personal and commercial lines. In pa...

Phillip Tallmadge is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Insurance, Personal Injury Litigation - Defendants and Product Liability Litigation - Defendants. Phillip, who practices law in Milwaukee, Wisconsin, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Phillip is held by other top lawyers in the same geographic and legal practice area.

Daniel P. Cooper is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Tax Law. Daniel P., who practices law in Milwaukee, Wisconsin, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel P. is held by other top lawyers in the same geographic and legal practice area.

Randal J. Brotherhood has more than thirty years of experience representing businesses and their owners in a wide variety of industries and settings. He also devotes a substantial part of his practice to representing tax-exempt organizations, foundations and trade associations of all types and sizes, ranging from local charitable organizations to large national and international membership associations. Randy represents business clients both on a day-to-day general counsel basis and as a stra...

Lucas J. Pagels is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Lucas J., who practices law in Milwaukee, Wisconsin, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lucas J. is held by other top lawyers in the same geographic and legal practice area.

Heather L. Fields is a shareholder in the firm's Health Care Practice and chairs the firm's Hospitals and Health Care Systems group. She is also a member of the firm's Corporate Compliance and White Collar Litigation, Health Care Transactions, Hospice and Palliative Care group and the Tax-Exempt Organizations group. Heather routinely assists clients with a wide variety of regulatory, transactional, and compliance-related matters. She has extensive experience advising clients in connection wit...

John A. Erich is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. John A., who practices law in Milwaukee, Wisconsin, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John A. is held by other top lawyers in the same geographic and legal practice area.

Joseph E. Tierney, III has more than forty years of experience focused primarily on tax and corporate law for businesses, owner families and individuals. He has particular experience in the design and administration of plans for very large estates, including some whose accumulated assets have totaled in the eight- and nine-figures. He has also been lead counsel in the purchase and sale of numerous businesses and has extensive experience in entity selection and structuring. Because tax consequ...