Daniel O'Brien

Daniel J O’Brien is a shareholder at Halling & Cayo. He has over 30 years of experience in civil litigation including personal injury, commercial, insurance coverage matters and professional malpractice. Dan represents individuals, businesses and insurers throughout Wisconsin and has tried over 100 cases before juries and been involved in hundreds of mediations and arbitrations. Dan understands that all litigation is personal and works closely with our clients and staff to provide personal attention to every case. Email Dan at djo@hallingcayo.com.

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