Michael Olsen is a skilled trial lawyer who focuses his practice on mass and toxic tort litigation, but also represents national and multinational corporations in complex commercial litigation including securities and commodities litigation, purchase and sale agreement disputes, and general business litigation.

Currently, Mike represents The Big Ten Conference in the NCAA Student-Athlete Concussion Litigation (MDL 2492). In addition, Mike was appointed by the Court to serve as lead counsel for all of the conference defendants in the MDL. Mike also serves as national counsel for a chemical manufacturer in its litigation involving the sale of PFAS chemicals.

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+1-312-701-7120

Michael A. Olsen

Partner, Member of Management Advisory Board, Co-leader of Litigation & Dispute Resolution
Mayer Brown
Illinois

Practice Area: Litigation & Dispute Resolution, Medical Devices, Trial Litigation

WHAT CLIENTS SAY

"Mike is a determined and tenacious litigator."

MY CLIENT PHILOSOPHY

"Clients facing complex litigation need more than strong legal arguments—they need a trusted advisor who understands their business, anticipates risks, and delivers practical solutions. My approach is to work closely with clients to develop clear, efficient strategies that align with their objectives, whether managing a single dispute or a nationwide litigation portfolio. By combining thoughtful counsel, strong advocacy, and constant communication, I strive to help clients navigate their most challenging matters with confidence."

– Michael A. Olsen

ALL-STAR BIOGRAPHY

Michael Olsen is a skilled trial lawyer who focuses his practice on mass and toxic tort litigation, but also represents national and multinational corporations in complex commercial litigation including securities and commodities litigation, purchase and sale agreement disputes, and general business litigation.

Currently, Mike represents The Big Ten Conference in the NCAA Student-Athlete Concussion Litigation (MDL 2492). In addition, Mike was appointed by the Court to serve as lead counsel for all of the conference defendants in the MDL. Mike also serves as national counsel for a chemical manufacturer in its litigation involving the sale of PFAS chemicals.

Visit All-Star's Firm »

+1-312-701-7120

Michael A. Olsen

Partner, Member of Management Advisory Board, Co-leader of Litigation & Dispute Resolution
Mayer Brown
Illinois

Practice Area: Litigation & Dispute Resolution, Medical Devices, Trial Litigation

ALL-STAR BIOGRAPHY

Michael Olsen is a skilled trial lawyer who focuses his practice on mass and toxic tort litigation, but also represents national and multinational corporations in complex commercial litigation including securities and commodities litigation, purchase and sale agreement disputes, and general business litigation.

Currently, Mike represents The Big Ten Conference in the NCAA Student-Athlete Concussion Litigation (MDL 2492). In addition, Mike was appointed by the Court to serve as lead counsel for all of the conference defendants in the MDL. Mike also serves as national counsel for a chemical manufacturer in its litigation involving the sale of PFAS chemicals.

Visit All-Star's Firm »