David J. Winter

Joanne advises clients on a wide range of state and local tax matters, with a focus on tax controversy, litigation, and planning. She represents businesses of all sizes—from closely held companies to Fortune 500 corporations—in disputes involving Michigan’s corporate income tax, sales and use tax, withholding, and individual income tax. Her practice also includes handling multistate tax issues and helping clients understand and respond to audits, assessments, and refund clai...

William Thacker’s practice concentrates on traditional labor matters, employment litigation and day-to-day counseling of clients on the various employee and labor relations issues that arise within their organizations. He advises clients during union representation campaigns and elections as well as non-Board recognition processes, including the negotiation and administration of card-check recognition agreements. Mr. Thacker negotiates collective bargaining agreements; advises clients r...

Doron provides a broad range of business advisory, bankruptcy, litigation, and collection services to automotive suppliers, banks and other secured lenders, mortgage servicers, and a variety of other businesses, big and small. In the automotive arena, Doron’s experience covers day-to-day legal counseling, contract review, contract disputes, troubled suppliers, workouts, stop-ship threats, tooling recovery, and supply-chain litigation and bankruptcies. He works with other attorneys at th...

Colleen Shevnock has extensive experience as counsel to banks and other institutional lenders in commercial lending matters. She is accomplished in the negotiation and documentation of all types of loan transactions, from single-bank middle market credit facilities to lead counsel to agent bank in multibank, syndicated credit facilities, including secured and unsecured credits, leveraged buyouts, construction lending, foreign currency facilities and letters of credit. Ms. Shevnock has served ...

Richard A. Hooker is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. Richard A., who practices law in Novi, Michigan, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Richard A. is held by other top lawyers in the same geographic and legal practice area.

Michael (Mike) Hammer was elected Dickinson Wright’s Chief Executive Officer, effective January 1, 2019. As CEO, Mike oversees all aspects of the Firm’s professional service and business operations, and develops and implements the Firm’s strategic direction, working closely with his management group, elected governing board, practice leaders and administrative officers. Mike is a 30-year veteran of the Firm, and previously served as Deputy CEO for ten years. As Deputy CEO, M...

Gregory L. Curtner is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law, Commercial Litigation, Litigation - Antitrust, Mass Tort Litigation / Class Actions - Defendants and Sports Law. Gregory L., who practices law in Ann Arbor, Michigan, has been recognized since 1995. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gregory L. is held by other top lawyers in the same geographic and legal practice area.

Sam J. Vitale is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice and Commercial Litigation. Sam J., who practices law in Novi, Michigan, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sam J. is held by other top lawyers in the same geographic and legal practice area.

Robert Lantzy is a graduate of the Central Michigan University and graduated cum laude from the Detroit College of Law at Michigan State University in 1997. Robert is an experienced trial attorney and concentrates his practice in many areas of civil litigation, including truck accidents, motorcycle accidents, motor vehicle accidents, dog attacks, lead paint exposure and child lead poisoning, mold exposure and cases involving other general environmental contamination. He is a member of the Ame...

John S. Artz, a partner with Dickinson Wright PLLC has more than twenty-five years of experience and practices in all areas of intellectual property litigation. He also has extensive experience with the acquisition, management, and prosecution of patent, trademark, copyright, and trade secret assets. He serves and has served as lead counsel for many companies in federal courts across the country, including the Federal Circuit Court of Appeals. John also has served as lead counsel in 25+ IPRs ...