Annie L. Eiden

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...

John E. Mossberg is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - ERISA. John E., who practices law in Milwaukee, Wisconsin, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John E. is held by other top lawyers in the same geographic and legal practice area.

Joe is the chair of the firm’s Litigation Practice Group. He manages a variety of complex cases involving software, class actions, real estate, products liability, banking, and intellectual property matters. He has extensive experience representing both large and small plaintiffs and defendants in challenging civil litigation. He has been selected as a member of Wisconsin Super Lawyers for eleven years in a row. Prior to joining O’Neil, Cannon, Hollman, DeJong & Laing S.C., Jo...

Caitlyn B. Sikorski is a shareholder in Reinhart’s Trusts and Estates Practice where she focuses on trustee compliance and litigation, including breach of trust, breach of fiduciary duty, undue influence, and significant construction and reformation matters. She represents individual and corporate fiduciaries, beneficiaries, and other parties involved in will, trust and intra-family related disputes and matters. Caitlyn is also experienced in prenuptial and marital property agreements, ...

Jennifer R. D'Amato is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships), Closely Held Companies and Family Businesses Law, Litigation - Trusts and Estates, Tax Law and Trusts and Estates. Jennifer R., who practices law in Milwaukee, Wisconsin, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer R. is held by other top lawyers in t...

Kristin Langhoff is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law, Land Use and Zoning Law and Real Estate Law. Kristin, 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 Kristin 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...

Steve is a seasoned litigation attorney with over 20 years of experience representing corporate clients and insurers in some of their most complex and high-exposure cases. While deeply rooted in the Wisconsin legal community, Steve regularly manages litigation dockets and coordinates defense strategy across jurisdictions. Clients rely on him not just for results, but for clear communication, sound judgment, and a steady hand throughout litigation. Steve’s practice spans a wide range of ...

Anthony J. Handzlik is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Anthony J., who practices law in Milwaukee, Wisconsin, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Anthony J. is held by other top lawyers in the same geographic and legal practice area.

John M. Van Lieshout is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law and Litigation - Environmental. John M., 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 M. is held by other top lawyers in the same geographic and legal practice area.