Timothy H. Posnanski

Jason is a Shareholder at O’Neil Cannon where he leads the firm’s Corporate Practice Group and serves on the firm’s Board of Directors. With more than 15 years of experience, Jason primarily focuses on mergers and acquisitions. In this role, he represents buyers and sellers, including mature companies, family offices, wealthy individuals who aspire to acquire a business, and private equity groups. In addition to his M&A practice, Jason works closely with his corporate cl...

Pete Faust is the president and managing shareholder of O’Neil Cannon and an experienced deal and corporate lawyer. Pete assists buyers, sellers, borrowers, lenders, and investors with a wide range of business law matters, including mergers and acquisitions, formation and organization of new businesses, and contract negotiations. Pete has successfully closed hundreds of mergers and acquisitions and financing transactions, ranging in deal size from few million dollars to $500 million. Pe...

Aaron H. Aizenberg is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Aaron H., who practices law in Milwaukee, Wisconsin, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Aaron H. is held by other top lawyers in the same geographic and legal practice area.

Jennifer L. Ciralsky is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Jennifer L., 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 Jennifer L. is held by other top lawyers in the same geographic and legal practice area.

Suzanne Fischer-Lorenz is a Family Law attorney with Karp & Iancu SC in Waukesha, Wisconsin. She is known for her thoughtful approach to resolving complex and emotionally charged legal matters, helping clients navigate difficult transitions with clarity, preparation, and practical guidance. From an early age, Suzanne demonstrated a natural ability to advocate for others and communicate effectively during disagreements. Over the course of her legal career, she has developed a reputation fo...

Bruce T. Block is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law and Real Estate Law. Bruce T., who practices law in Milwaukee, Wisconsin, has been recognized since 1993. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bruce T. is held by other top lawyers in the same geographic and legal practice area.

Kevin J. Kinney has been practicing labor and employment law since his graduation from Marquette University Law School in 1982. Kevin’s practice centers on all matters arising under the National Labor Relations Act, including union organizing and unfair labor practices brought by or against labor organizations, NLRB proceedings, arbitrations and labor audits. He regularly negotiates collective bargaining agreements that address leading issues such as retiree benefits and wage restructur...

Ericka Hammett is a Shareholder at von Briesen & Roper, s.c. in the Insurance Coverage and Risk Management Section. She concentrates her practice on insurance coverage matters, including advising insurers on first-party property, third-party commercial general lability (CGL), professional liability and bad faith claims. She also defends insurer-clients and their insureds at the trial and appellate court level against claims for property damage, personal injury and professional liability.

Chris Smith is a Shareholder and co-Chair of the Real Estate Section at von Briesen & Roper, s.c. He focuses his practice on real estate development, eminent domain and property tax. He has significant experience in all phases of real estate development with a particular emphasis on drafting and negotiating development agreements, Tax Increment Financing (TIF) and public-private partnerships. He represents both public and private entities on eminent domain matters and property tax assessm...

Heidi Vogt is a Shareholder and Chair of the Litigation and Risk Management Practice Group. She has substantial and broad experience in litigation matters with a particular focus on insurance coverage disputes, commercial disputes and complex litigation. Heidi serves as the Chair of the Insurance Coverage and Risk Management Section. She has represented insurance companies in Wisconsin and across the country in both state and federal courts in complex insurance coverage matters for more than ...