About Quinn Family Law

Quinn Family Law is a Toronto family law firm founded in 2014 by Shelley C. Quinn, who leads a small team from an office at 20 Bay Street with a second office in Barrie. Quinn graduated from Osgoode Hall Law School in 1996, was called to the Ontario Bar in 1998, and returned to Osgoode for a Master of Laws in Family Law the same year the firm was founded. Before practising family law, Quinn worked in the social work field with Durham Region's Department of Social Services and then worked as a litigator with the Department of Justice Canada from 1998 to 2013, appearing before courts and tribunals ranging from the Federal Court to the Canadian Human Rights Tribunal.

The firm's three lawyers handle the full range of family law matters, including parenting and decision-making, child and spousal support, property division, and divorce, along with cohabitation and separation agreements. They also take on grandparents' rights cases, helping grandparents who are seeking access to or custody of their grandchildren, a niche not every family law firm covers. Senior counsel Emily Kostandoff, who joined the firm in 2018, won the Canadian National Negotiation Competition in 2017 and placed second at the International Negotiation Competition in Oslo the same year. Associate Deniz Afshari, a former regulated immigration consultant, practises in English and Farsi.

In the community

  • Shelley Quinn tutors children of new Canadians in Regent Park and has served on the boards of Woodgreen Community Services (2014 to 2019), the Children's Aid Society of Toronto (2011 to 2014), and Houselink, an agency providing supportive housing for people with lived experience of mental illness and poverty (2009 to 2011).
  • Deniz Afshari is a founding member of the Pet Dispute Clinic and has led other community organizations.
  • Emily Kostandoff serves as treasurer of the board of directors of the Women's Law Association of Ontario.

Good to know

A professional woman in a suit beside a briefcaseWoman-ownedA rainbow pride heartLGBTQ+ friendlyA calendar with a checkmark beside a clockBy appointment

This firm’s lawyers at a glance

Called to the bar
1998 · median 28 years in practice 1 of 3 lawyers
Languages on the roster
English, Farsi

Where to find them

662 Broadview Avenue, Toronto, ON M4K 2P1 · 416-551-1025

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This listing was generated by AI from public sources in August 2026. It may contain errors, and we can’t guarantee it’s accurate or complete. Before you rely on anything here, verify it on the firm’s own website. Verify licence status in the Law Society of Ontario directory ↗

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