Kathleen M. O'Neill

Beth practices in the firm’s corporate, commercial and real estate groups. She services a broad range of clients, including institutional investors, corporations, lenders, commercial property owners, advisers, and developers. Beth’s practice has a strong focus on the development and negotiation of agreements for the design, construction, financing and maintenance of infrastructure; she also drafts and provides advice in the commercial leasing context. Beth regularly advises purcha...

Marcus Archer focuses on public and private debt and equity financings, mergers and acquisitions, restructurings, reorganizations and purchases and sales of businesses and assets, acting for corporations, private equity, investment banks and creditors. He also assists clients with corporate governance, regulatory compliance, continuous disclosure and general corporate matters. Mr. Archer is a director or corporate secretary of a number of public and private corporations. Mr. Archer joined our...

Evan Roitenberg has been practising law since 1992 and is deeply committed to protecting the rights of the accused and equally committed to the advancement of the legal profession.Over his three decades as a defence lawyer, Mr. Roitenberg has been recognized as a persistent, determined, and strong advocate. Evan has been involved in numerous high-profile and precedent-setting cases. He has defended clients in Manitoba, Ontario, Alberta, Saskatchewan, and British Columbia and at the Supreme Co...

Daniel Paperny is a Partner and co-lead of the Estate Litigation practice group at Loopstra Nixon LLP. He practices exclusively in the areas of wills, estates, trusts, powers of attorney, guardianship, and capacity related litigation. Daniel has practiced estate litigation since his call to the Bar in 2015 and has developed an expertise in the area. Daniel is passionate about estate litigation and recognizes the importance of this time in the lives of his clients. By utilizing technical skill...

John Fiddick joined Whitelaw Twining in 2012 as Litigation Counsel and the Chair of the Commercial Litigation Group. His practice involves a broad range of commercial and business litigation matters with a particular emphasis on insolvency and restructuring matters. He regularly represents senior and subordinate lenders, trustees and receivers and debtors in complex, multi-party litigation. These matters often involve the enforcement of security or court judgements. He has represented shareho...

Enrique has over 18 years of experience helping clients navigate family law disputes with clarity and confidence. Before becoming a lawyer, he was a high school teacher—an experience that still shapes his approach to his legal practice today. Whether guiding clients through the legal process or advocating in court, Enrique brings the heart of a teacher to everything he does. Clients meeting with Enrique can always expect a bit of “homework.” He believes strongly that clients...

Robert Iaccino's practice primarily centers around leasing and construction law, complemented by substantial experience in the acquisition and disposition of commercial properties. Robert represents tenants, landlords and property managers in a variety of commercial leasing matters for all property types, including office, retail, industrial and mixed-use. He also has broad experience in Canadian construction law matters, acting for owners, developers and Ontario public entities in constructi...

Nathan Piché is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Nathan, who practices law in Ottawa, Ontario, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nathan is held by other top lawyers in the same geographic and legal practice area.

Amy Block is a Partner in the Regulatory Practice Group at WeirFoulds LLP whose practice is focused on professional self-regulation, administrative and public law, and civil litigation. Prior to joining WeirFoulds, Amy was Senior Legal Counsel and Appeal & Review Lead for the College of Physicians and Surgeons of Ontario. In this role, Amy built considerable experience over the course of 15 years litigating a wide variety of matters including conducting complex hearings involving allegati...

Brendan van Niejenhuis is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Class Action Litigation and Corporate and Commercial Litigation. Brendan, who practices law in Toronto, Ontario, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brendan is held by other top lawyers in the same geographic and legal practice area.