Robin K. Lehninger

Kevin Fetherston is a Shareholder in the Litigation and Risk Management Practice Group. He focuses his practice on professional liability litigation, commercial and business litigation, insurance coverage, and general tort litigation. Kevin has extensive experience litigating complex cases and appeals in both state and federal courts.

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.

Eric P. Hagemeier is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Eric P., who practices law in Waukesha, Wisconsin, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eric P. is held by other top lawyers in the same geographic and legal practice area.

Kelly Kuglitsch assists employers, plan administrators, plan fiduciaries, plan service providers, consultants, advisors, and other attorneys with a wide variety of employee benefits, ERISA, executive compensation and payroll matters. As a member of the Employment Law Practice Group, she draws upon her technical knowledge to provide counsel on benefit plan design, administration, termination, and compliance in accordance with the complex requirements of IRS and Department of Labor rules. She h...

Nathan Bayer is a top attorney recognized by Best Lawyers in the practice area(s) of Municipal Law. Nathan, who practices law in Milwaukee, Wisconsin, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nathan is held by other top lawyers in the same geographic and legal practice area.

When the Indiana steel mill department shutdown in 1984 where I had worked for nearly 8 years as a steelworker, including a stint as union representative, my family and I moved to Milwaukee. I started law school and after graduating in 1987, I served as a law clerk to the Hon. John L. Coffey, circuit judge for the U.S. Court of Appeals for the Seventh Circuit. My time as a lawyer has now spanned 30 years, and my practice is primarily dedicated to representing and fighting for justice for inju...

Molly Lavin is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Molly, who practices law in Waukesha, Wisconsin, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Molly is held by other top lawyers in the same geographic and legal practice area.

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...

Mike Wirth is a Shareholder in the Litigation and Risk Management Practice Group at von Briesen & Roper, s.c. Mike is a seasoned trial attorney with more than 30 jury trials across Wisconsin. He focuses his practice on professional liability, insurance coverage litigation and appellate representation. Mike has extensive experience handling professional liability claims against attorneys, law firms, accountants, accounting firms and medical professionals. His insurance coverage practice in...

Randy Nelson is a Shareholder focusing his practice on estate planning, advising family businesses, tax planning, trust administration and probate. He is a Certified Public Accountant and was an Adjunct Professor at Marquette University Law School where he taught estate planning for over 30 years. He is a frequent speaker at continuing education courses for lawyers and CPAs on the subjects of estate planning and tax planning. He is the author of the chapter “Estate Planning for Owners o...