Ronald M. "Ron" Kosonic

Kate Robertson acts as special counsel to the firm, advising on criminal matters, risk and crisis management, governance matters, enforcement actions, and internal or regulatory investigations under a range of frameworks including financial regulation, and PIPEDA and other similar privacy legislation. She has conducted numerous criminal trials, including jury and judge-alone trials, and has advocated at all levels of court in Canada. Prior to joining Markson Law, Kate served as a law clerk at...

Bryan Buttigieg is recognized as one of the leading practitioners of environmental law in Canada and is certified by the Law Society of Upper Canada as a specialist in Environmental Law. His practice includes a combination of litigation and transactional advice involving civil litigation and regulatory defence representation in environmental and occupational health and safety matters. Bryan has provided extensive advice in support of brownfields developments, site remediation, and financing o...

Brian Graves advises clients on mergers and acquisitions, corporate finance, commercial and securities law matters. With a particular focus on cross-border transactions, Brian works mainly in the mining and natural resource industries and, in particular, is considered an authority on metal streaming transactions. Brian regularly acts as lead counsel on M&A deals for Canadian and foreign clients, advising on hostile and friendly take-over bids, reverse take-overs, plans of arrangement, ass...

Adam Little is a managing partner and personal injury lawyer at Oatley Vigmond, an Ontario law firm recognized for its expertise in catastrophic injury litigation, including traumatic brain injuries , spinal cord injuries , serious orthopaedic injuries , and wrongful death claims. Adam represents clients across Toronto , the Greater Toronto Area, Hamilton, Ottawa, North Bay , Sudbury , and Sault Ste. Marie, focusing exclusively on individuals and families affected by life altering injuries ar...

Stephen Shamie is a senior labour and employment lawyer in Hicks Morley’s Toronto office. He has over 30 years of experience advising and representing employers on a wide variety of matters relating to human resources law. Stephen’s practice emphasizes the negotiation of collective agreements and the defence of employers in arbitration cases, human rights hearings, labour board proceedings and before the courts. He regularly negotiates collective agreements in the hospitality, med...

Susan Sack is a lawyer recognized by Best Lawyers in the practice areas of Family Law, Insurance Law, Legal Malpractice Law and Trusts and Estates. Susan practices law in Toronto, Ontario Best Lawyers has recognized Susan Sack since 2024. 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 Susan Sack is held by other lawyers.

Dev Singh is Co-Leader of Fasken's Banking and Finance group, and a member of the Firm’s ESG Steering Committee and Student Committee. Dev’s practice concentrates on domestic and cross-border leveraged finance transactions and other debt financings in a variety of industries including mining, health care, food & beverage, telecommunications, media and retail. Dev has extensive experience representing banks and other financial institutions in a variety of debt finance transacti...

As a Partner at Neinstein, Rose is an integral member of the senior leadership team, driving innovative practices that keep the firm ahead of the ever-evolving legal landscape. Her keen organizational skills and strategic foresight have made her an invaluable source of knowledge and trust among her peers. Rose also maintains a comprehensive medical malpractice and personal injury practice, focusing on birthing injuries and motor vehicle accidents. Over a legal career spanning more than 20 yea...

Benjamin Radcliffe is a lawyer recognized by Best Lawyers in the practice area of Commercial Leasing Law. Benjamin practices law in Toronto, Ontario Best Lawyers has recognized Benjamin Radcliffe 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 Benjamin Radcliffe is held by other lawyers.

Andrew Grossman is an experienced client-focused deal advisor. He practises corporate and securities law, with an emphasis on M&A and corporate finance, and acts as strategic counsel to corporations and various market participants on significant multiparty transactions (see “Selected client work” below). He has a reputation for leading complex mandates and for delivering practical and timely solutions. Clients also frequently seek his guidance on most major decisions affecting...