Member News

Shumaker Announces New Managing Partner in Columbus Office

January 25th, 2023

COLUMBUS, OH — As the national law firm Shumaker continues to grow, the firm is announcing new leadership roles. The Management Committee has selected Michael (Mike) J. O’Callaghan to serve as Managing Partner of the Columbus, Ohio office. 

“Mike is a trusted advisor with an impeccable reputation—ranked a ‘Best Lawyer in America’ for the past 10 consecutive years,” said Shumaker Management Committee Vice Chair Jaime Austrich. “We are confident he will do great things for our team and clients in the Buckeye State.”

Mike serves as the firm’s Environmental and Energy National Service Line Leader. His practice specializes in environmental law, workplace health and safety matters, and real property litigation. In addition, he regularly represents clients in a variety of commercial transactions involving environmental issues, including due diligence in mergers and acquisitions and brownfield redevelopment projects.

ABOUT SHUMAKER: Founded in 1925, the Shumaker team of more than 300 lawyers and advisors is a premier provider of legal and legislative solutions, focused on being a positive and impactful difference maker for our clients and in the communities we serve. Shumaker has offices in Florida, Ohio, North Carolina, and South Carolina.