Terrance A. Costello

A firm shareholder, John counsels buyers and sellers on effectively structuring and documenting transactions involving business combinations, purchases and sales, and financing. John has earned his clients’ trust as a business advisor because he approaches their legal issues with a nuanced understanding of a business owner’s objectives and a comprehensive knowledge of financing sources and techniques a complex transaction demands. John leads the firm’s Multi-Unit Succession ...

Valerie T. Herring is a lawyer recognized by Best Lawyers in the practice areas of Administrative / Regulatory Law, Energy Law, Energy Regulatory Law and Utilities Law. Valerie T. practices law in Minneapolis, Minnesota Best Lawyers has recognized Valerie T. Herring since 2022. 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 Valerie T. Herring is held by ot...

Anne Regan advocates for private and public clients in large-scale commercial and employment litigation across the country, in cases involving the health care, medical device, pharmaceutical, food and agriculture, financial services, transportation, insurance, and manufacturing sectors. She has experience in all aspects of pre-trial and appellate practice, as well as class action and multi-district litigation. Anne has represented businesses and individuals in complex litigation involving ant...

“I am compelled by family law because on every level, it is about people’s lives. The most important thing a family law attorney can do is to know the client’s story. I am devoted to understanding your history, current priorities, and future goals, so that I can strategically advocate for you at this trying time in your life.” Empowering my clients is paramount. My goal is to ensure you know the process, the laws, and how they apply to your circumstances, so you can ma...

Daniel N. Moak is a lawyer recognized by Best Lawyers in the practice area of Litigation - Real Estate. Daniel N. practices law in Minneapolis, Minnesota Best Lawyers has recognized Daniel N. Moak since 2018. 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 Daniel N. Moak is held by other lawyers.

Mark Radke is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Mark practices law in Minneapolis, Minnesota Best Lawyers has recognized Mark Radke since 2019. 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 Mark Radke is held by other lawyers.

J. Derek Vandenburgh is a lawyer recognized by Best Lawyers in the practice areas of Litigation - Intellectual Property, Litigation - Patent and Patent Law. J. Derek practices law in Minneapolis, Minnesota Best Lawyers has recognized J. Derek Vandenburgh since 2007. 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 J. Derek Vandenburgh is held by other lawyers.

Clayton W. Chan is a lawyer recognized by Best Lawyers in the practice areas of Elder Law, Tax Law and Trusts and Estates. Clayton W. practices law in Edina, Minnesota Best Lawyers has recognized Clayton W. Chan since 2024. 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 Clayton W. Chan is held by other lawyers.

Laura Hammargren is a lawyer recognized by Best Lawyers in the practice area of Mass Tort Litigation / Class Actions - Defendants. Laura practices law in Minneapolis, Minnesota Best Lawyers has recognized Laura Hammargren since 2026. 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 Laura Hammargren is held by other lawyers.

Tim is a skilled trial lawyer with more than 35 years of experience before state and federal courts—both in Minnesota and across the country. The key to his record of litigation achievements is his grasp of the technical issues and his high-level understanding of the complexities of the law. In his products liability litigation defense practice, Tim defends product liability cases and commercial cases for manufacturers in a number of industries, including: Power generation/energy Consum...