Marissa Kirsh

Kelly Niebergall is counsel in the Knowledge Management Group, practising corporate and commercial law with an emphasis on financing and insolvency. She has acted for domestic and foreign financial institutions, as well as venture capital funds and corporate borrowers, in connection with a wide range of types of financing including cross-border finance, acquisition finance, asset based lending, project finance and equipment finance. She has also acted for receivers and debtors in commercial i...

Paul carries a practice of complex disputes that demand subject-matter experience and understanding. He has expertise in contract disputes, infrastructure and construction disputes, health law, employment law, shareholder disputes, oppression claims, professional negligence, and product liability matters. Paul has appeared at all levels of court in Ontario, including as trial counsel in jury and non-jury matters, at the Federal Court and the Federal Court of Appeal, and in a range of administ...

Imran Ahmad is a senior partner and the Canadian head of technology and Canadian co-head of cybersecurity and data privacy. He is based in our Toronto and Montreal offices and is recognized as a leading cybersecurity and privacy lawyer by several legal directories. Imran advises clients across all industries on a wide array of technology-related matters, including outsourcing, cloud computing, SaaS, strategic alliances, technology development, system procurement and implementation, technology...

Jeff Hergott is a partner practising in the areas of corporate finance, mergers and acquisitions and corporate commercial law. Jeff has experience representing issuers, investment dealers and other stakeholders in a wide variety of capital markets and M&A transactions. He regularly advises clients on both public offerings and private placements of equity and debt securities. Jeff’s M&A experience includes advising clients in respect of public and private share and asset acquisit...

Martha was called to the Bar in Ontario in 1991, winning the Silver Medal and the Family Law and Advocacy Prizes. She has practised family law since her call, first in a large Bay Street firm, then at a large specialist boutique, and now with her own firm. Though Martha’s practice focuses on all aspects of family law, she has regularly advocated on behalf of same-sex couples. Martha’s work in M. v. H., Halpern, and the Same Sex Marriage Reference resulted in equal marriage and wid...

A senior partner in our Commercial Real Estate Group, Sidney has a very broad business and commercial law practice. In addition to his traditional real estate law practice involving the purchase, sale and financing of commercial property, he is consulted regularly by industry, title insurers and lawyers for his expertise and his practical and creative approach to real estate problem solving, trouble shooting, and getting deals done. He also serves as counsel to the Lawyers’ Professional...

Jeffrey Preszler is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation. Jeffrey, who practices law in Toronto, Ontario, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey is held by other top lawyers in the same geographic and legal practice area.

Peter has over 40 years experience in practice as a litigator and provider of legal advice in diverse sectors, notably in media. Peter practises mainly in the areas of media law, defamation law, administrative law and constitutional law. He is a seasoned litigator and has significant experience in trials, appeals and judicial reviews at all levels of court and before numerous administrative tribunals. Peter provides regular pre-publication advice and litigation services to major media outlets...

Kimberly (Kim) is a partner in Fasken’s Litigation and Dispute Resolution department and Co-Leader of the Firm’s ESG and Sustainability Practice Group. Her practice focuses on commercial litigation, including complex contractual disputes, professional negligence claims, and shareholder disputes. She regularly represents companies at the Ontario Superior Court of Justice’s Commercial List, a court specializing in commercial matters. Kim has expertise in administrative law mat...

Gary's practice extends from the prosecution of trademark applications through to litigation of intellectual property rights. He appears in the courts of the Province of Ontario, as well as the Federal Court of Canada and before the Trademark Opposition Board. Gary has thirty years' experience in the intellectual property field. He advises clients in complex licensing issues and has acted as intellectual property counsel in major corporate transactions. Gary is also involved in charitable org...