Alan Sless

Joanna Vince, B.Sc. (Hons.), J.D., is a Partner and Certified Specialist in Environmental Law by the Law Society of Ontario at Willms & Shier Environmental Lawyers LLP. Joanna has significant expertise assisting clients with environmental approvals and permits for developments and industry. Joanna advises industry, conservation authorities, governments and crown corporations, Inuit groups, tribunals and land claims organizations on environmental law matters. Joanna helps clients navigate ...

Sharaf Sultan focuses his practice on both employment and workplace immigration law. Sharaf has extensive experience in all aspects of employment law, including wrongful dismissal, design of policies and procedures, as well as workplace human rights matters. Sharaf advises both large and small employers on a wide range of workplace employment matters, including hiring and termination, performance management, drafting of workplace employment policies, restrictive covenants, and employment cont...

Fellow of American College of Trial Lawyers (Chair, Ontario Committee). Fellow of International Society of Barristers. Best Lawyers in Canada® , Criminal Defence. Former Director, Advocates’ Society. Faculty Member, National Criminal Law Program. Criminal lawyer experienced in criminal, quasi-criminal, constitutional and special prosecutions matters. Appeared as counsel on many jury and bench trials, argued over 80 appeals in the Court of Appeal for Ontario and multiple appearances ...

Chris Pigott is a partner in the Litigation and Labour groups. His practice focuses on disputes and advisory work in labour, human rights, and public law matters. Chris represents some of Canada’s leading employers in their most consequential cases. Chris is a talented litigator who acts for clients in arbitrations, tribunal proceedings, and before the Courts. He routinely acts in judicial reviews, appeals, and other complex litigation arising from labour, human rights, and public law d...

Robert Barbiero is a lawyer recognized by Best Lawyers in the practice areas of Health Care Law and Medical Negligence. Robert practices law in Toronto, Ontario Best Lawyers has recognized Robert Barbiero 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 Robert Barbiero is held by other lawyers.

Paul Jorgensen is an intellectual property and life sciences lawyer, with extensive experience in pharmaceutical and biotechnology patent litigation. Dr. Jorgensen has been involved in many complex patent proceedings, including multiple trials before the Federal Court, actions under the Patented Medicines (Notice of Compliance) Regulations, damages actions, and appeals. He also provides strategic advice on patent infringement and validity. Dr. Jorgensen brings deep scientific understanding to...

Jonathan joined Gluckstein Lawyers in 2005. He received his Bachelor of Laws degree from the University of Western Ontario in June 2006 and returned to the firm to carry out his articles-at-law. Following his call to the Ontario Bar in June 2007, Jonathan assumed his current position as a Senior Litigation lawyer at Gluckstein Lawyers. Jonathan restricts his practice to insurance litigation, including Personal Injury, disability matters, occupier’s liability, medical malpractice and pro...

Michael is a partner in Gowling WLG's Toronto's Climate Change and Environment Group. His practice focuses on environmental, municipal, administrative and civil litigation. With particular expertise in regulatory defense, Michael regularly guides clients through the often daunting process of inspections, investigations and the defense of prosecutions under provincial and federal environmental legislation. Michael's clients seek him out because they want a lawyer who is firmly on their team, w...

Andrew Finkelstein is a lawyer recognized by Best Lawyers in the practice area of Corporate and Commercial Litigation. Andrew practices law in Toronto, Ontario Best Lawyers has recognized Andrew Finkelstein 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 Andrew Finkelstein is held by other lawyers.

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...