John Koski is Dentons’ Global Chief Legal Officer, where he is the senior legal advisor to the world's largest law firm. John chairs the Global Risk Management Committee, serves on the Global Management Committee, and reports to the Global Board.

For more than 20 years, John has counseled the firm on governance, structure, litigation, transactions, insurance, regulation, compliance, investigations, and professional responsibility matters. Before becoming Global Chief Legal Officer, John served as the firm’s US General Counsel for nearly 10 years.

For the past five years, John has been a Lecturer at Law at the University of Chicago School of Law, where he teaches professional responsibilities applicable to representing business organizations. John is a member of the Association of Professional Responsibility Lawyers and the American Bar Association’s Center for Professional Responsibility, and has provided more than 100 accredited lectures, seminars, and other classes on legal ethics, risk, and professionalism topics.

John is a partner in the firm, resident in the Chicago office, where he is part of the firm's Professional Liability Litigation practice, which represents law firms, corporate law departments, and lawyers.