Niiti practices in the areas of human rights, administrative, and employment and labour law, professional regulation, pay equity and long term disability litigation. Niiti is a creative and practically-minded lawyer who serves a diverse group of clients. Niiti advocates for clients before all manner of administrative tribunals, including the Human Rights Tribunal of Ontario, the Ontario Labour Relations Board, the Canada Labour Code and in federal human rights proceedings and in proceedings before Colleges regulating health professionals. She has appeared as counsel before all levels of court in Ontario, as well as the Supreme Court of Canada.

Niiti joined Cavalluzzo in 2018 after practicing at a specialty legal clinic where she conducted test case and appellate litigation pertaining to workers' rights and poverty law. Niiti also worked for several years at a leading litigation firm, where she specialized in employment, human rights, administrative law and civil litigation.

Niiti is a member of the Human Rights Tribunal of Ontario's Practice Advisory Committee. She regularly delivers presentations on topics such as human rights, employment law and long-term disability insurance. She was called to the Ontario bar in 2010 after completing her articles as a judicial law clerk to justices of the Superior Court of Justice.  

Niiti holds a joint Juris Doctor and Master in Environmental Studies from Osgoode Hall law school. Niiti brings to her practice a strong background in workers’ rights advocacy. Niiti is committed to Cavalluzzo LLP's Statement of Principles and embraces her responsibility as a member of the legal profession to actively work against systemic racism and other forms of discrimination, to commit to the calls for action to advance the process of reconciliation with Indigenous peoples, and to promote the dignity and human rights of all.


  • Call to the Ontario Bar, 2010
  • Osgoode Hall Law School, J.D.
  • York University, Master in Environmental Studies, M.E.S.
  • Trent University, Honours B.A.


  • Ontario Bar Association
  • Law Union of Ontario
  • Association of Human Rights Lawyers

Related News

News/28 January 2021

New Partner Announcement

Cavalluzzo LLP is very pleased to announce that Niiti Simmonds and Michael Mandarino have joined our partnership.

Related Events

Event/Oct 6, 2020: 09:00 - 12:30

Niiti Simonds Speaks at Law Society Conference "Best Practices for Paralegals"

Niiti Simmonds speaks at Law Society Conference "Best Practices for Paralegals Appearing before the Human Rights Tribunal of Ontario".  Niiti wil...

Related Blogs

Blog/26 April 2021

Unjust Dismissals under the Canada Labour Code

The law of unjust dismissals in federally regulated workplaces

Employees of federally regulated employers are protected from unjust dismissal. This protection does not exist for most workers in Ontario employed by...
Blog/18 March 2021

The Duty to Mitigate

An employee’s obligations after their employment has been terminated

This blog post explains what an employee must demonstrate to show that they have properly mitigated their damages. When a person's employment has been...
Blog/10 February 2021

How the Global COVID-19 Pandemic May Impact Employees' Notice Periods

Are employees entitled to a longer notice period when their employment is terminated during the COVID-19 pandemic?

Are employees entitled to a longer notice period when their employment is terminated during the COVID-19 pandemic? This blog post explains that an emp...
Blog/2 February 2021

Notice in Ontario: How Is it Calculated?

The Employment Standards Act and the Common Law

When an employee is terminated in Ontario, they are generally entitled to advance notice. Under the law of Ontario, there are two types of notice: the...