Duncan Ault

Marion Bailey-Canham is a lawyer recognized by Best Lawyers in the practice area of Intellectual Property Law. Marion practices law in Ottawa, Ontario Best Lawyers has recognized Marion Bailey-Canham since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Marion Bailey-Canham is held by other lawyers.

Brigitte LeBlanc-Lapointe is a corporate and securities transactional lawyer. Her practice spans all aspects of corporate and commercial law, with an emphasis on equity financings (including private and public financings, initial public offering readiness, regulatory compliance and cross-border matters), and mergers and acquisitions (public and private). Brigitte represents the full spectrum of businesses, from emerging to public companies, as well as venture capital, private equity, underwri...

Guy Giorno leads the firm’s Political Law practice. He advises clients on lobbyist registration, government accountability and ethics, public-sector conflict of interest and government procurement. Former Chief of Staff to the Prime Minister of Canada, Guy remains an active, influential force in shaping lobbyist registration laws in Canada. Widely recognized as Canada’s leading expert in lobbying law, Guy regularly represents corporate executives and lobbyists in enforcement proce...

Derek Keay is a partner in the firm’s Ottawa office. Derek practises corporate law with an emphasis on corporate finance and mergers and acquisitions, primarily involving emerging technology companies. His primary focus is on providing advice to Canadian and international companies, together with angel, venture capital and institutional investors in relation to debt and equity financing transactions. He also has extensive experience in advising companies, shareholders and acquirers in c...

Marta Siemiarczuk is a Partner and Head of the Family Law Group of Nelligan Law. Marta is a lawyer and arbitrator and practices in the areas of Family Law and Collaborative Family Law, Estates and Civil Litigation. Marta has acted as a co-instructor at the University of Ottawa, Faculty of Law, for Civil Procedure and the Alternative Dispute Resolution Program. She is a regular guest lecturer at the University of Ottawa in Family Law. Marta is also a regular columnist on various family law top...

Chantal Tourigny is a lawyer recognized by Best Lawyers in the practice area of Medical Negligence. Chantal practices law in Ottawa, Ontario Best Lawyers has recognized Chantal Tourigny since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Chantal Tourigny is held by other lawyers.

Evan Corey is a lawyer recognized by Best Lawyers in the practice area of Family Law. Evan practices law in Ottawa, Ontario Best Lawyers has recognized Evan Corey since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Evan Corey is held by other lawyers.

Sean Bawden is a lawyer recognized by Best Lawyers in the practice areas of Corporate and Commercial Litigation and Labour and Employment Law. Sean practices law in Ottawa, Ontario Best Lawyers has recognized Sean Bawden since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Sean Bawden is held by other lawyers.

Paul D. Conlin is a lawyer recognized by Best Lawyers in the practice areas of International Trade and Finance Law and Public Procurement Law. Paul D. practices law in Ottawa, Ontario Best Lawyers has recognized Paul D. Conlin since 2006. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Paul D. Conlin is held by other lawyers.

Peter Engelmann is a labour and human rights lawyer in Goldblatt Partners' Ottawa office. ​He was a founding partner of Engelmann Gottheil, a firm that merged its practice with Sack Goldblatt Mitchell - now Goldblatt Partners - in 2005. Peter’s practice focuses on all aspects of labour law, human rights, pay and employment equity law and Charter litigation. He has appeared at all levels of court, including the Supreme Court of Canada, and appears regularly before arbitrators, human righ...