Gillian Hayes

Dimitri Lascaris is a Siskinds partner and leader of Siskinds’ Securities Class Actions Group. Before joining Siskinds, Mr. Lascaris practiced securities law in the New York and Paris offices of a major Wall Street law firm. In August 2013, he was named by Canadian Business Magazine as one of the 50 most influential people in Canadian business, describing him as “the fiercest legal advocate for shareholder rights.” Mr. Lascaris is currently prosecuting numerous domestic and ...

Robert Colson is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Labour and Employment Law. Robert, who practices law in Toronto, Ontario, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert is held by other top lawyers in the same geographic and legal practice area.

Aubrey Kauffman’s practice is focused on advocacy matters related to domestic and cross-border bankruptcy, insolvency and restructuring proceedings. Aubrey is the 2019 recipient of the Ontario Bar Association Murray Klein Award for Excellence in Insolvency Law. In addition, in 2019, he was named a Fellow of the prestigious Insolvency Institute of Canada after completing his 2nd term as a director. A highly seasoned litigator and advisor, Aubrey has acted in many high-profile insolvency ...

Brittany Sud’s practice focuses on estates and trusts, including both planning and administrative matters, as well as taxation as it relates to those areas. Brittany has developed and implemented cohesive estate plans for clients, reflecting their financial objectives and both short and long-term goals. She advises high net worth individuals, entrepreneurs and professionals on probate planning, income tax deferral and minimization strategies, family business succession planning, disabil...

Jill Makepeace has almost two decades of experience conducting criminal trials and appeals. She has represented individuals charged with a broad spectrum of criminal offences, including alleged crimes of violence and serious drug cases. A significant concentration of her trial practice is defending regulated professionals facing criminal and administrative prosecution. She has appeared before all levels of court in Ontario and New Brunswick. She also has experience before administrative tribu...

Vanessa Amyot is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Vanessa, who practices law in Toronto, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Vanessa is held by other top lawyers in the same geographic and legal practice area.

Sarah Turney is an advocate with extensive experience in real property, development and construction litigation. She works with clients to solve complex disputes arising from real property. Sarah’s litigation practice focuses on real property disputes. She advises clients on complex easement and title matters, boundary disputes, adverse possession claims, mortgage claims and commercial lease remedies. Sarah is recognized for her in-depth knowledge of real property and is able to provide...

Andrew Finkelstein is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation. Andrew, who practices law in Toronto, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew is held by other top lawyers in the same geographic and legal practice area.

Samaneh (Sam) Hosseini is a partner in the Litigation & Dispute Resolution Group. Her practice focuses on commercial litigation and arbitration, with an emphasis on complex contract disputes, class actions, securities litigation, shareholder disputes, and product liability. Sam has extensive experience representing clients in a range of domestic and multi-jurisdictional class actions, including areas such as product liability, securities law, franchise law and consumer protection. She reg...

Gasper is a partner in our litigation department. Gasper's practice focuses on a broad range of complex matters, including both commercial and civil disputes. He has particular experience with commercial lease disputes, contractual disputes, construction law disputes, as well as debt collection matters. Gasper has appeared as counsel before the Ontario Superior Court of Justice; various administrative tribunals and both private mediations and arbitrations. Gasper has also assisted with variou...