Andrew M. Shaughnessy

Claire Gowdy is a Business Law partner in the Firm’s Toronto office with a practice focused on private mergers and acquisitions, strategic investments, complex commercial transactions and general corporate matters. Claire advises domestic and foreign private equity investors and companies on their transactions in a broad range of industries including mining and natural resources, technology, industrials and healthcare. With a strong track record of assisting clients with investment oppo...

Jenny P. Mboutsiadis is a seasoned tax litigator with over two decades of trial experience as lead counsel. She has extensive successful experience arguing tax cases in the Tax Court of Canada, the Ontario Superior Court of Justice, the Federal Court, and the Federal Court of Appeal. Jenny provides clients with exceptional knowledge on resolving tax disputes with Canadian tax authorities, from the start of a tax audit to trial. Her practice focuses on corporate tax matters, including transfer...

Simon Archer likes to get the deal done. He helps trade unions negotiate agreements and settle disputes so that promises are kept – especially pension promises. Simon works to protect the wages, working conditions and retirement security of his clients and their families. To do this, he works with trade unions, retiree associations and boards of trustees across Canada, advising on negotiating pension and benefits, trust administration and fiduciary issues, public interest litigation, in...

Jennifer Mathers McHenry is an executive employment lawyer and litigator. She is also the founder of Mathers McHenry & Co., a boutique downtown Toronto firm focused on executive employment law and commercial litigation. Jennifer regularly provides strategic and legal advice to senior executives, directors, partners, and others at pivotal transition points in their careers.

Chris is a Partner practising primarily in the areas of banking and financial services, corporate and commercial law, restructuring, mergers and acquisitions and commercial real estate law. Chris assists both lenders and borrowers in connection with syndicated and non-syndicated, secured and non-secured, domestic and cross-border, and revolving and term credit facilities. He also assists lenders and borrowers with asset-based credit facilities, subordinate/convertible debt transactions and pr...

John D. Leslie is a lawyer recognized by Best Lawyers in the practice area of Insolvency and Financial Restructuring Law. John D. practices law in Toronto, Ontario Best Lawyers has recognized John D. Leslie since 2024. 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 John D. Leslie is held by other lawyers.

David is proud to represent the fourth generation of Mills to practice at the firm since its founding in 1884. He is a great-grandson of Alexander Mills, K.C., one of the founders of the firm, grandson of Ralph S. Mills, Q.C., and a son of J. Paul Mills, K.C. David served his articles with Mills & Mills LLP, joined the firm following his call to the Bar and became a Partner in 2006. David’s practice is focused on estate law. As an estate lawyer, David provides a comprehensive range ...

Harold is actively practicing, and he remains a preeminent leader of the family law bar. Though his official title at Niman Mamo LLP is “Counsel”, he is the lead lawyer on files in which he is involved. For those cases where Harold is not involved, the firm and the firm’s clients retain the added benefit of seeking his advice and wisdom. Named Toronto’s best divorce lawyer by Toronto Life Magazine in 2009, Harold is one of the most frequently recommended lawyers in the...

Jonathan’s litigation practice focuses on securities litigation, regulatory enforcement, and director and officer liability matters. He represents issuers, investment dealers, individual registrants, and other market participants in securities regulatory investigations and enforcement proceedings. Jonathan frequently advises clients on internal investigations, foreign corruption, and a range of compliance, corporate governance, and regulatory issues. Jonathan is also regularly retained ...

Martin Denyes serves as Fasken’s Chair, with responsibility for engagement with clients and in markets in Canada, the United States and internationally. Prior to being named Firm Chair, Martin served as Managing Partner in Ontario and as Firm Managing Partner over the course of 15 years. In practice, his focus has been on supporting employers and executives in solving their day-to-day issues in the workplace and the mission critical issues that drive their workplace strategies. Througho...