NEW YORK—Veteran communications strategist John Sullivan has joined Porter Novelli as senior counselor, corporate communications.

Sullivan comes to Porter Novelli from RLM Finsbury, where he provided corporate reputation, crisis and strategic business counsel to leading global corporations in the pharmaceutical and financial services industries, among many others. Earlier in his career, he worked extensively on public affairs issues in Canada and Australia, and was a broadcast journalist.

Sullivan's expertise spans the corporate, healthcare, public policy, finance and regulatory spheres. He has worked closely with legal and financial advisers on management transitions, crisis communications, restructurings, financial communications and transactions, executive communications, corporate governance and a wide range of litigation and regulatory matters.