David Rosner is a partner in the competition, antitrust and foreign investment group at Goodmans. He provides strategic advice on all aspects of Canadian competition law, particularly with respect to complex mergers (including in regulated industries), mergers involving multi-jurisdictional review, alleged cartels and alleged abuses of dominance (including those involving technology and intellectual property). David also advises on mergers subject to the Investment Canada Act.

David was recognised as one of the most highly regarded North American partners by Who’s Who Legal: Competition – Future Leaders in 2018 and 2019, which profiles the foremost practitioners in the competition community under 45. Clients describe David as ‘a sharp thinker with great analytical capabilities’, and praise his ‘straightforward practical advice’. David is an active member of the Canadian competition law community. He has been a professor at Osgoode Hall Law School and served as chair of several committees of the Canadian Bar Association’s National Competition Law Section.