Martin P. Tierney

John has extensive experience in the areas of personal injury, peer review, and medical malpractice litigation, particularly in representing healthcare organizations and psychiatrists. Since entering private practice in 1978, he has focused on health litigation involving representation of hospitals and nursing homes through a liability insurance plan offered through the Wisconsin Hospital Association. His practice has included a wide range of hospital, nursing home, hospice and physician defe...

Shareholder Michael J. Cohen has more than 25 years of experience in complex commercial litigation in federal and state courts. His proven record of numerous favorable verdicts at the trial and appellate levels has earned him a reputation as one of Wisconsin’s preeminent business litigators. For many years, Mike has been recognized by members of the Wisconsin bar and judiciary as one of the top lawyers in the state. Mike concentrates his practice on complex commercial litigation includi...

David J. Sisson is a shareholder in the firm’s Litigation and Labor and Employment Practices. David solves problems that arise when critical personal business relationships end. These include disputes involving departing key employees and shareholders in closely held corporations and others who owe fiduciary duties. Controversies often develop at the conclusion of these relationships regarding what may be owned by, or owed to, the respective parties. A departing employee may try to esta...

Jeffrey T. “Jeff” Nichols has tried more than 80+ civil jury trials to verdict across state and federal courts in Wisconsin and the United States. A named partner in the firm, Jeff also serves as the president where he is responsible for the execution of the overall business strategy in leading Crivello, Nichols & Hall to becoming Wisconsin and the Midwest’s unrivalled defense law firm. His national trial practice is heavily concentrated on products liability, catastroph...

Jill Munson is a top attorney recognized by Best Lawyers in the practice area(s) of Professional Malpractice Law - Defendants. Jill, who practices law in Milwaukee, Wisconsin, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jill is held by other top lawyers in the same geographic and legal practice area.

Scott W. Hansen is a top attorney recognized by Best Lawyers in the practice area(s) of Bet-the-Company Litigation, Commercial Litigation, Franchise Law, Litigation - Antitrust and Litigation - Patent. Scott W., who practices law in Milwaukee, Wisconsin, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Scott W. is held by other top lawyers in the same geographic and legal practice area.

Beth Kushner is a Shareholder in the Litigation and Risk Management Practice Group. She specializes in complex litigation and has successfully handled a broad range of business and commercial disputes, shareholder disputes, construction matters, antitrust disputes, class actions of all sorts, fraud and RICO cases, employment cases and product liability claims. She has a particular expertise in cases that involve high exposure and difficult facts, and her clients appreciate her creative, pragm...

Kevin J. Howley is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, International Trade and Finance Law and Mergers and Acquisitions Law. Kevin J., 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 Kevin J. is held by other top lawyers in the same geographic and legal practice area.

Andy Brusky is a Shareholder at von Briesen & Roper, s.c. focusing his practice on elder law, offering services designed to provide greater options and security for the elderly and disabled. Andy regularly assists clients with Medicaid eligibility, health care and financial powers of attorney, trust documents and long-term care options.

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...