David Coll-Black

Justin Safayeni is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Appellate Practice and Defamation and Media Law. Justin, who practices law in Toronto, Ontario, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Justin is held by other top lawyers in the same geographic and legal practice area.

Jason Frost is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Jason, who practices law in Toronto, Ontario, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jason is held by other top lawyers in the same geographic and legal practice area.

Daniel is a partner in our Family Law Group. Certified by the Law Society of Upper Canada as a Family Law Specialist, he is also fully qualified as a family law mediator and arbitrator. As a mediator and arbitrator, Daniel has assisted clients and family law lawyers to resolve matters in a sensible, efficient and private manner. In family law matters of property, spousal and child support, Daniel has been involved in the determination of income, the valuation of multinational, privately held ...

Brittany Sud’s practice focuses on estates and trusts, including both planning and administrative matters, as well as taxation as it relates to those areas. Brittany has developed and implemented cohesive estate plans for clients, reflecting their financial objectives and both short and long-term goals. She advises high net worth individuals, entrepreneurs and professionals on probate planning, income tax deferral and minimization strategies, family business succession planning, disabil...

Sumeet Dhanju-Dhillon is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation. Sumeet, 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 Sumeet is held by other top lawyers in the same geographic and legal practice area.

Peter is qualified as a CPA CA and a lawyer and has been practising as a tax lawyer/accountant for over 20 years. Prior to pursuing his law degree, Peter worked as a senior tax auditor at the CRA where he audited companies with up to $1 billion in revenue. His experience provides special insight and diverse skills for helping clients in tax planning and representation matters. Peter has assisted clients with a broad range of tax planning engagements involving domestic and international struct...

Rosalind Cooper is one of the leading and most widely-recognized environmental lawyers in Canada. She defends environmental charges, and litigates contaminated land and other environmental disputes before all levels of court. Rosalind is also involved in appeals and environmental assessment proceedings before the Environmental Review Tribunal and provides regulatory advice in all areas of environmental law. She is also a recognized environmental mediator and certified by the Law Society as an...

Paul Hancock is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Paul, who practices law in Toronto, Ontario, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paul is held by other top lawyers in the same geographic and legal practice area.

Andrew Finkelstein is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation. Andrew, 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 is held by other top lawyers in the same geographic and legal practice area.

Roger Townshend, a founding partner of OKT, is now a senior counsel to the firm. He practices Aboriginal , Constitutional, human rights , and administrative law, with particular stress on land claims litigation. He has a B.Sc (Hons.) in Mathematics. He has appeared in Court and advised on numerous cases relating to Aboriginal law claims including claims related to Aboriginal title and other Aboriginal rights and treaty rights, and duty to consult and accommodate cases. His court work has also...