Martin J. Greenberg

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.

Robert Henkle, Jr. is a shareholder and former co-chair of Reinhart’s Corporate Law Practice where he provides legal counsel to clients ranging from large, national-public companies to closely held, mid-sized businesses. He has substantial experience assisting clients with business related concerns from startup through acquisition, operation, financing, and the sale of a business and frequently works with food industry, transportation industry, and financial institution clients. Bob reg...

David G. Hanson is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law, Litigation - ERISA, Litigation - Intellectual Property and Litigation - Patent. David G., who practices law in Milwaukee, Wisconsin, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David G. is held by other top lawyers in the same geographic and legal practice area.

Aislinn M. Penkwitz is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Aislinn M., 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 Aislinn M. is held by other top lawyers in the same geographic and legal practice area.

Paul J. Stockhausen is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Paul J., who practices law in Milwaukee, Wisconsin, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paul J. is held by other top lawyers in the same geographic and legal practice area.

Peter Walsh is an attorney with twenty years of experience in estate and asset protection planning and inheritance litigation. Peter assists clients with preserving family wealth through estate and asset protection planning. For example, he utilizes various estate planning techniques to minimize taxes and administrative expenses upon the death or incapacity of a family member. Such planning may include a revocable trust to avoid the cost of court involvement upon the death or incapacity of th...

Thadd J. Llaurado is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Thadd J., who practices law in Waukesha, Wisconsin, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thadd J. is held by other top lawyers in the same geographic and legal practice area.

John Barlament is a partner in the Employee Benefits Group. He represents employers, third party administrators, brokers and benefit consultants in all aspects of employee benefits law. Mr. Barlament has extensive experience in a broad range of issues, including: health care reform (Patient Protection and Affordable Care Act) compliance and strategy; executive compensation issues; assisting both pension and welfare multi-employer plans in all their legal needs; merging and terminating plans; ...

Bill West is a Shareholder and Chairs the Business Section and Co-Chairs the Mergers & Acquisitions Section. Bill is a trusted advisor to his clients and they rely on his ability to achieve desired outcomes in a practical, timely and cost-effective manner – in other words, he gets things done. He has over 30 years of experience in corporate and business related transactions including: Mergers and acquisitions Complex corporate and commercial transactions Corporate governance and bus...

Joseph Gumina is a shareholder at O’Neil Cannon and the Past Chair of O’Neil Cannon’s Labor & Employment Practice Group. Joe is licensed to practice law in the states of Illinois and Wisconsin. Joe has extensive experience representing management in a vast array of employment matters ranging from traditional labor matters involving labor negotiations and unfair labor practice charges to helping employers navigate the complexities of state and federal fair employment laws...