James G. "Jim" Rumball

Rob’s practice is focused on corporate and securities law, with an emphasis on corporate finance and mergers and acquisitions. Rob has significant experience on a wide range of public equity and debt offerings, private placements and M&A transactions and regularly assists issuers, investment dealers, and institutional and private investors on equity and debt financing transactions, ranging from start-up investments, venture capital and private equity investments, to larger public of...

Sinziana Hennig is a partner in the Litigation & Dispute Resolution Group and a member of the Students Committee in the Toronto office. Her practice focuses on class actions and complex commercial litigation. Sinziana has defended class actions involving competition, securities, consumer protection, product liability, and franchise law claims. She has significant experience in defending multi-jurisdictional and cross-border class actions, as well as in obtaining dismissal of securities cl...

Sheila is at her core an advocate. She is smart, strategic and sees the justice of a case. A thoughtful listener and intuitive problem solver, Sheila gets to the heart of the matter. She applies her top-notch analytical skills and her good judgment to assess the best path forward for each client. Sheila is equally adept at negotiating creative settlement solutions as she is pursuing strategic litigation at all levels of court. Drawing on her corporate law experience at a top New York City fir...

Maureen has a large and diverse litigation practice which includes commercial litigation, competition law litigation, property disputes, employment disputes, medical malpractice and personal injury litigation. She appears regularly before all levels of court in Ontario as well as in mediations, arbitrations and before a number of tribunals. In addition, Maureen has significant experience in injunction proceedings and has both written and spoken at conferences on Mareva injunctions. Maureen ha...

Andrew D. Elias is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation. Andrew D., who practices law in Toronto, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew D. is held by other top lawyers in the same geographic and legal practice area.

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...

Dimitri Lascaris is a Siskinds partner and leader of Siskinds’ Securities Class Actions Group. Before joining Siskinds, Mr. Lascaris practiced securities law in the New York and Paris offices of a major Wall Street law firm. In August 2013, he was named by Canadian Business Magazine as one of the 50 most influential people in Canadian business, describing him as “the fiercest legal advocate for shareholder rights.” Mr. Lascaris is currently prosecuting numerous domestic and ...

Peter Wardle is a Partner with the Commercial and Business Litigation and Professional Liability Practice Groups at Singleton Urquhart Reynolds Vogel LLP. Peter has built his reputation as a recognized and trusted advocate over more than 35 years representing parties in commercial disputes involving contract interpretation, shareholder and partnership obligations, securities, directors’ and officers’ liability, professional negligence, construction, estates, and real estate. Peter...

Kaley Pulfer is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law. Kaley, 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 Kaley is held by other top lawyers in the same geographic and legal practice area.

Dean Kraus is a partner in the Tax Group. His practice encompasses all aspects of income taxation in corporate and commercial transactions, including domestic and cross-border mergers and acquisitions, corporate reorganizations, spin-offs, private equity investments, financings, REITs, partnerships and joint ventures. Dean’s expertise has been recognized by Chambers Canada , Chambers Global , The Canadian Legal Lexpert Directory , The Best Lawyers in Canada , among others.