Mark D. Williamson

Philip P. Caspers is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. Philip P., who practices law in Minneapolis, Minnesota, has been recognized since 2001. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Philip P. is held by other top lawyers in the same geographic and legal practice area.

Aaron M. Johnson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Aaron M., who practices law in Minneapolis, Minnesota, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Aaron M. is held by other top lawyers in the same geographic and legal practice area.

Brad advises on family and closely held business issues that range from the routine to the complex, including creation, financing, acquisitions, buy/sell arrangements, negotiation of contracts and joint ventures, sale of assets and stock and succession planning. In addition, he helps clients plan the distribution of their assets in a variety of areas beyond the typical trusts and wills, counseling on the advantages of sophisticated tax and charitable planning, leveraged gifting and foreign as...

Serena I. Chiquoine is a top attorney recognized by Best Lawyers in the practice area(s) of Franchise Law. Serena I., who practices law in Minneapolis, Minnesota, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Serena I. is held by other top lawyers in the same geographic and legal practice area.

Chad Stepan serves as Chair of the firm’s Catastrophic Loss Practice Group. He focuses his practice on complex civil litigation, including fires, explosions, structural failures, mechanical failures, product failures and other catastrophic losses and construction-related incidents across the United States. He has handled numerous multi-million dollar claims, including major industrial explosions and fires, and construction and design matters. Chad investigates these incidents and provid...

Samantha J. Graf is an attorney at Hellmuth & Johnson, focusing her practice on Estate Planning, Probate and Family Law. Prior to joining the firm, Samantha has represented clients in a variety of family law matters including divorce, post-decree matters, and custody issues. Samantha has also represented clients in a variety of contested probate matters and assisted many clients in administering an estate. Samantha was named to the Minnesota Super Lawyers Rising Stars list 2017 – 20...

Ailana McIntosh is an MSBA Certified Real Property Law Specialist and a partner at Hellmuth & Johnson. She has extensive legal and business experience representing clients in various transactional related matters, including commercial and residential real estate, for-profit and non-profit entity formation and governance, business mergers and acquisitions, leases, purchase agreements, and commercial contracts. Ailana’s clients include small, medium, and large businesses, financial in...

Piyumi Samaratunga is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Immigration Law. Piyumi, who practices law in Minneapolis, Minnesota, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Piyumi is held by other top lawyers in the same geographic and legal practice area.

Eric Hageman is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs and Transportation Law. Eric, who practices law in Minneapolis, Minnesota, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eric is held by other top lawyers in the same geographic and legal practice area.

Thomas J. Radio is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law, Land Use and Zoning Law, Litigation - Construction and Litigation - Real Estate. Thomas J., who practices law in Minneapolis, Minnesota, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas J. is held by other top lawyers in the same geographic and legal practice area.