Matthew L.O. Certosimo CS

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...

George Vassos focuses his practice on advocacy before trial and appellate Courts, and before various labour boards, arbitrators, mediators, adjudicators, and other administrative tribunals, as well as strategic and proactive advice on a wide variety of labour and employment law issues. His work includes: - Employment contracts - Wrongful dismissal and employment litigation - Fiduciary dutiesRestrictive covenants - InjunctionsGroup benefits - Employment standards - Human rights - Certification...

Kim Pepper, a lawyer in Hicks Morley’s Toronto office, advises and represents clients on a wide variety of labour and employment issues. Kim works with employers in the public and private sectors as well as employers in the not-for-profit sector to assist them in effectively managing all aspects of their human resources. Kim regularly advises clients on matters including the negotiation and drafting of employment agreements and executive contracts, attendance and performance management,...

Carlos Martins is a skilled litigator with over 20 years’ experience providing legal advice in diverse sectors. He is a member of the firm’s Commercial Litigation Practice Group and specializes in aviation and defamation law. Prior to joining WeirFoulds in 2020, Carlos was a founding partner of Bersenas Jacobsen Chouest Thomson Blackburn LLP. Carlos has appeared before all levels of court in Ontario, including the Supreme Court of Canada. In addition, he has appeared before variou...

Aaron Murray is one of the founding partners of Leone Murray LLP. He handles a wide variety of personal injury and civil litigation cases. Aaron has trial experience in jury and non-jury settings. He has successfully argued numerous Divisional and Superior Court matters. This has included the conduct of long and document intensive jury trials, resulting in successful results for his clients. Aaron handles a full variety of personal injury and civil litigation claims for his clients and he con...

Richard C. Hoffman is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Richard C. practices law in Toronto, Ontario Best Lawyers has recognized Richard C. Hoffman since 2025. 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 Richard C. Hoffman is held by other lawyers.

Marni Whitaker is a partner practicing with Loopstra Nixon’s Wills, Trusts & Estates and Business Law groups. Marni has extensive experience in all aspects of estate planning and administration including drafting and giving opinions on wills, powers of attorney, trusts, corporate reorganizations associated with estate planning, personal tax advice, advice and documentation relating to the Family Law Act , administration of estates, estate accounting problems, work for charitable and...

Aaron is a partner at Loopstra Nixon LLP where he practices various aspects of real property law with a focus on land use planning and development issues. Through his early career as a transaction solicitor, Aaron has developed broad skills – particularly where planning and real estate law issues intersect. In 2009, Aaron was seconded to the City of Toronto’s Planning and Administrative Tribunal Law Department and worked closely with the City’s legal, planning, building, tec...

Andrew Lokan practises in the areas of constitutional law, appellate advocacy, complex commercial litigation, and administrative and labour law. Andrew advocates before all levels of court in Ontario and has appeared in more than 35 cases at the Supreme Court of Canada and over 30 cases at the Ontario Court of Appeal. He has also appeared before courts in several other provinces on constitutional and administrative law cases. He is co-author of Lokan & Dassios, Constitutional Litigation i...

John’s practice is in corporate and commercial litigation, and includes contract disputes, real estate litigation, shareholder remedies, fiduciary obligations, insolvency and class actions. He has appeared before all levels of trial and appellate courts and before domestic and international arbitral tribunals. A significant percentage of his practice is in the Ontario Commercial Court. He has also represented members of the National Hockey League in salary arbitrations with their player...