Phillip R. Maples

Timothy P. Reardon is a business lawyer working with a wide array of companies—global, national and regional—in a variety of industries, including manufacturing, construction, service, distribution, health care, real estate and professional associations. Business clients value Tim as a trusted advisor and legal strategist who draws on his vast knowledge and experience base to provide creative, cost-effective solutions for a wide array of complex business and legal issues. Tim is a...

Marcus J. Berghahn is a lawyer recognized by Best Lawyers in the practice areas of Criminal Defense: General Practice and Criminal Defense: White-Collar. Marcus J. practices law in Madison, Wisconsin Best Lawyers has recognized Marcus J. Berghahn since 2012. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Marcus J. Berghahn is held by other lawyers.

John has extensive experience in the areas of personal injury, peer review, and medical malpractice litigation, particularly in representing healthcare organizations and psychiatrists. Since entering private practice in 1978, he has focused on health litigation involving representation of hospitals and nursing homes through a liability insurance plan offered through the Wisconsin Hospital Association. His practice has included a wide range of hospital, nursing home, hospice and physician defe...

Sam Hall is the Managing Partner of Crivello, Nichols & Hall, S.C. and is a member of the firm’s Board of Directors. His principal practice focuses on federal civil rights litigation, government affairs and appellate advocacy. He is also a certified mediator. Sam has successfully defended hundreds of law enforcement officers, government officials and even judges in cases involving alleged civil rights violations. He is admitted to practice and has represented parties in high profile...

Randal J. Brotherhood has more than thirty years of experience representing businesses and their owners in a wide variety of industries and settings. He also devotes a substantial part of his practice to representing tax-exempt organizations, foundations and trade associations of all types and sizes, ranging from local charitable organizations to large national and international membership associations. Randy represents business clients both on a day-to-day general counsel basis and as a stra...

Aaron H. Aizenberg is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. Aaron H. practices law in Milwaukee, Wisconsin Best Lawyers has recognized Aaron H. Aizenberg since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Aaron H. Aizenberg is held by other lawyers.

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, intellectual property, and anti-trust 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 the Wisconsin Super Lawyers for six years in a row. Prior to joining O’Neil Cannon, Joe was an associate at t...

Craig Christensen is the manager of the Appleton office. He began his legal career in Milwaukee in 1985, and started working in our Appleton office in 1988. Since that time, Mr. Christensen has worked exclusively for people who have been injured in car accidents, work-place injuries, and animal attacks to ensure they receive fair compensation. Mr. Christensen has tried many cases throughout Wisconsin and because of his trial experience, the National Board of Trial Advocacy has certified him a...

Tracy N. Tool is a board-certified civil trial specialist experienced in a wide range of substantive areas of law. He uses the legal process to force big corporations and insurance companies to treat individuals, including injured clients, fairly. Tracy handles cases in state and federal courts of both Wisconsin and Minnesota. He devotes his practice to real people who have suffered from nursing home neglect, wrongful death, trucking accidents, motor vehicle accidents, motorcycle accidents, a...

Attorney Aislinn M. Penkwitz is a Partner at Nelson, Krueger & Millenbach LLC in Milwaukee, Wisconsin, where she represents individuals and families in a wide range of family law matters. Her practice includes divorce, post-judgment disputes and modifications, paternity actions, child custody and placement matters, child support issues, restraining orders, and guardian ad litem appointments. She works closely with clients to address both the legal and practical concerns that often arise i...