Jonathan E. Sacks

Timothy McDonald is a Shareholder in the Compensation & Benefits/ERISA Section. His practice focuses on health and welfare, corporate pension, 401(k), profit sharing, 403(b), executive compensation, nonqualified deferred compensation, employee stock ownership (including S corporation ESOPs), cafeteria, voluntary employees’ beneficiary association (VEBA), and flexible benefit programs. He works with publicly-traded and private for-profit businesses, tax-exempt entities, municipalitie...

Attorney Alison Krueger has focused her legal career on Family Law since earning her Juris Doctor from the University of Wisconsin Law School in 1999. She is based in Milwaukee, Wisconsin, and is a member of Nelson, Krueger & Millenbach LLC. Attorney Krueger represents individuals and families throughout Wisconsin in a broad range of Family Law matters, including divorce, legal separation, annulment, paternity, child support, maintenance (alimony), grandparent visitation, post-judgment mo...

William Keeler is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Construction, Mass Tort Litigation / Class Actions - Defendants and Product Liability Litigation - Defendants. William, 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 William is held by other top lawyers in the same geographic and legal practice a...

Kristen Nelson is a Shareholder in the Health Law Section at von Briesen & Roper, s.c. Kristen focuses her practice on professional license defense including health care licensure, Medicare/Medicaid fraud, government investigations and enforcement actions, and professional liability. She represents health care providers, accountants, child care centers, real estate brokers and attorneys. She has represented clients before the Wisconsin Department of Safety and Professional Services, Wisco...

Tomislav Z. Kuzmanovic is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Defendants and Transportation Law. Tomislav Z., who practices law in Milwaukee, Wisconsin, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tomislav Z. is held by other top lawyers in the same geographic and legal practice area.

Nick G. Kotsonis has been a shareholder with the firm since 1999 and was appointed to the Board of Directors as of January 1, 2014. His practice areas include employment litigation/worker’s compensation, business and commercial litigation, insurance coverage litigation, personal injury, premises liability, environmental/toxic tort claims and risk management.

Kelly Noyes is a Shareholder and co-Chair of the Class Actions Section. Kelly has significant experience in complex business litigation, particularly in the areas of ERISA and health care billing and collections. Kelly pairs her knowledge of the law with a passion for understanding her clients’ businesses, so she can achieve cost-effective resolutions to clients’ problems, both in and out of the courtroom. She has particular experience in the ERISA, benefits, and health care secto...

David Turek is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Insurance Law, Litigation - Insurance and Personal Injury Litigation - Defendants. David, who practices law in Milwaukee, Wisconsin, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David is held by other top lawyers in the same geographic and legal practice area.

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...

Pat Bergin is a registered Patent Attorney with the United States Patent and Trademark Office. He is the chair of the Information Technology, Data Privacy and Security Section at von Briesen & Roper, s.c. and regularly assists clients with a broad range of intellectual property issues with an emphasis on domestic and international intellectual property procurement, including: drafting and prosecuting utility and design patent applications in the mechanical, electro-mechanical and medical ...