Dennis O'Connor O.C., K.C

Sandra Astolfo is a Partner at WeirFoulds with a practise devoted to infrastructure and construction law. She has worked with her clients for almost 25 years and is a frequent speaker at continuing legal education programs and industry conferences. From negotiating construction agreements, to providing contract administration advice, to litigating, mediating and arbitrating disputes, Sandra advocates on behalf of all project participants. She also assists her clients with protecting their int...

Renée Pelletier is a Partner at OKT. Her practice focuses on Aboriginal and Treaty Rights litigation and negotiation. Renée has extensive experience litigating Aboriginal title claims: having served as lead counsel both in Saugeen Ojibway Nation’s Aboriginal title claim to their water territory and currently in the Wolastoqey Nation’s Aboriginal title claim to their territory in New Brunswick. She has also developed significant experience in claims and legal matters ...

Peter Pliszka, a senior partner in Fasken’s Litigation Group, is regarded as one of Canada’s leading litigation lawyers. Peter’s practice is focused primarily on product liability, class action, commercial and insurance litigation matters, and it is national in scope. Peter conducts litigation proceedings across Canada and has appeared at all levels of court in Ontario and other Canadian provinces as well as the Supreme Court of Canada. Peter is Fasken’s Chair-Life Sci...

Celeste Poltak focuses extensively on class proceedings litigation and is a partner in our class actions department. She regularly appears before a variety of courts throughout the province including the Court of Appeal, and the Supreme Court of Canada. She has developed a particular expertise in class proceedings, having worked on some of the most notable Canadian cases, including a variety of common issues trials, and is well published in the area.Celeste is often asked to lecture on the to...

Melanie J. Webb is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defence. Melanie J., who practices law in Toronto, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Melanie J. is held by other top lawyers in the same geographic and legal practice area.

Clare Burns is a senior trusts and estates litigator. She served as the Children's Lawyer for the Province of Ontario from 2003 to 2008 pursuant to an Order-in-Council appointment. As the Children's Lawyer, Clare's office was responsible to investigate, advocate, protect and represent persons under the age of 18 in proceedings before the courts and tribunals of Ontario. In this role, she supervised more than 11,000 cases including variations of trust, will challenges, passings of accounts, gu...

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 ...

Jennifer Corak advises Canadian and international clients on a wide range of estate and trust matters, including Will and probate planning, taxation in relation to estates and trusts, planning with inter vivos trusts, incapacity planning, and estate administration. She has particular experience with cross-border and international estate planning, including dealing with high and ultra-high net worth individuals with assets in multiple jurisdictions, individuals who are nationals and/or tax res...

Christopher Ferguson’s practice is focused on technology, privacy, and cybersecurity matters. Chris regularly advises on mission critical technology issues and technology transactions, including negotiating and drafting technology services, cloud, data and AI, and outsourcing agreements. Chris advises on privacy compliance and risk management, the privacy and cybersecurity implications of novel products and services, and on the privacy and cybersecurity dimensions of technology and M&am...

Geoffrey Wells is an experienced trial and appellate counsel with financial expertise to successfully resolve complicated Family Law financial matters including valuation of business, trust interests and support issues. LL.B from Queen's University; B.Sc. (Hons), Trent University; M.A. in Business Economics from Wilfrid Laurier University (1995)Member of the Canadian Bar Association; Ontario Bar Association (2003)Practice includes all aspects of matrimonial litigation and has appeared at all ...