Plunkett Cooney partner Frank T. Mamat was recently appointed president of the Private Directors Association (PDA) Detroit–Toledo-Windsor Chapter (Detroit Chapter).

In his role as president, Mamat will guide the PDA Detroit Chapter in its mission to foster high-performing and diverse boards and advance good governance. The chapter, led by volunteers who contribute their time and expertise, serves as a hub for expert programming on leading board practices, facilitates peer-to-peer networking and informs members about current and challenging topics facing the local private company community.

The PDA is the only national association dedicated exclusively to improving private companies' growth and sustainability through governance. Membership includes current and qualified future board members, private company owners and C-level executives of family-owned businesses, Employee Stock Ownership Plans, private equity-owned, early-stage and start-up organizations. 

A partner in the Labor & Employment Law Practice Group of Plunkett Cooney, one of the Midwest’s oldest and most accomplished law firms, Mamat utilizes his more than 50 years of experience to help companies, contractors, employers, lawmakers and trade associations resolve union matters. His expertise includes contract negotiations, elections, union avoidance and labor arbitrations. He also advises clients on noncompete agreements, unfair labor practice litigation, harassment suits, wage and hour issues, OSHA-MIOSHA safety matters and entertainment law. He is also a registered lobbyist.

In addition, Mamat’s experience includes the resolution of National Labor Relations Board matters, attempted union organization, mass picketing and violence, and secondary boycotts and pressure. His clients also rely on his counsel and advice on ERISA trust funds and related fiduciary liabilities.

Mamat has been honored by several other media and peer review platforms, including Best Lawyers in America, Michigan Super Lawyers, DBusiness magazine’s Top Lawyers, the Labor Relations Institute, American Lawyer magazine and the American Registry, as well as to the 2025 class of Go To Lawyers in employment law as determined by Michigan Lawyers Weekly.

Mamat received his undergraduate degree from the University of Rochester in 1971 and his law degree from Syracuse University College of Law in 1974.

Established in 1913, Plunkett Cooney is a leading provider of business and litigation services to clients in the private and public sectors. The firm employs attorneys in eight Michigan cities, Chicago, Illinois, Indianapolis, Indiana and Columbus, Ohio.

Plunkett Cooney has achieved the highest rating (AV) awarded by Martindale-Hubbell, a leading, international directory of law firms as well as recognition by Best Lawyers as one of the nation’s leading law firms in 2026.

For more information about Mamat serving as president of the Detroit Chapter of the Private Directors Association, contact John Cornwell of the firm’s Practice Development Department at (248) 901-4008; jcornwell@plunkettcooney.com.

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