Jason Fathallah

Dean P. Laing has been with O'Neil, Cannon, Hollman, DeJong & Laing S.C., a 40-plus attorney law firm headquartered in Milwaukee, Wisconsin, for over 40 years since graduating cum laude from Marquette University Law School in 1983. He was on the firm’s Board of Directors from 1990 to 2023, and was the firm's President from 2015 to 2020. Mr. Laing has repeatedly been recognized by members of the bar as one of Wisconsin’s top trial attorneys. Throughout his legal career, in whic...

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...

George Peek is a Shareholder in the Trusts & Estates Section at von Briesen & Roper, s.c. George assists clients in a broad range of estate planning and administration services, including estate and trust administration, preparation of estate planning documents and representations in guardianships/conservatorships; and he is also a frequent presenter in these areas. In addition, he has litigated several complex estate planning issues including inheritance disputes. Beyond his estate p...

John K. Tokarz is a business lawyer whose practice focuses on complex transactions. As a Certified Public Accountant who previously worked as an auditor for a Big Four accounting firm, John understands his clients’ businesses. From startups to publicly traded companies, he provides a full range of transactional and strategic support to clients with matters involving mergers and acquisitions, joint ventures, divestures, securities offerings and other significant corporate transactions. I...

Patrick represents his clients in the prosecution and defense of many types of civil litigation matters, primarily in the areas of commercial and business litigation, torts, and complex defense litigation. He also has significant experience advising clients in the area of insurance coverage and the defense of professional claims. His extensive experience in commercial litigation has permitted him to successfully represent large multinational corporations in both state and federal courts acros...

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.

Joseph A. Kromholz is one of the founding shareholders of Ryan Kromholz & Manion, S.C., located in Brookfield, Wisconsin. The firm, which traces its roots back to 1873, was formed in 1998 and practices in all areas of intellectual property law including related litigation. Mr. Kromholz is registered to practice before the United States Patent and Trademark Office and admitted to practice in the United States District Court for the Eastern and Western Districts of Wisconsin and before seve...

Tom Kammerait is a Shareholder and the Chair of the Business Succession Planning Section. Tom represents businesses on all aspects of their corporate and business needs including transactional matters, tax, general corporate, real estate, technology, and estate planning issues. Tom generates value by helping clients set priorities for enhancing the value of their businesses and identifying risk management strategies, on a tax-efficient basis. He is also a CPA, so his knowledge of accounting g...

Laurie McLeRoy is a Shareholder in the Litigation and Risk Management Practice Group. She focuses her civil litigation practice in the areas of insurance litigation (including bad faith), medical malpractice, nursing home, municipal, transportation, premises, and products liability. In products liability defense matters, Laurie has particular expertise in asbestos litigation. In addition to her trial experience in Wisconsin, where she has successfully argued in front of the Wisconsin Supreme ...

Jesse R. Dill 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. Jesse R., 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 Jesse R. is held by other top lawyers in the same geographic and legal practice area.