Chris Koressis is a Canadian business lawyer in Toronto, Ontario, Canada. He specializes in business law, including: drafting and negotiating commercial agreements, including mergers and acquisitions and international agreements between companies and their customers, suppliers, licensors, joint venture partners, and distributors; information technology law; purchasing & procurement law including drafting Requests for Proposals for the procurement of a broad range of products and services and participating in the analysis of proposals from suppliers and selecting suppliers; drafting corporate policies for business conduct; serving as corporate secretary and advising corporate officers and directors on a broad range of corporate and commercial matters; directing and overseeing the use of external counsel. His clients range from individuals and entrepreneurs to some of the world's leading mid-sized companies. 

Before establishing the Canadian business law firm of Koressis Legal™ Chris Koressis was a Canadian business lawyer (Corporate Counsel) at Geac Computer Corporation and a member of the company's worldwide mergers and acquisitions team. Prior to Geac, Chris Koressis was a Canadian business lawyer for CIBC. He led CIBC's technology law department as Corporate Counsel and he also served as Director, Strategic Sourcing, managing the bank's worldwide procurement of information technology, corporate services and products. He also led a task force on the legal and business issues associated with electronic commerce and Internet business strategies. Before CIBC, he was a Canadian business lawyer based in Toronto, Ontario, Canada for Royal Bank of Canada.

Chris Koressis received a Bachelor of Science, Bachelor of Civil Law and Bachelor of Laws from McGill University and was called to the bar in Toronto, Ontario, Canada in 1984.