Skip to Content

Diana C. Miles

Chief Executive Officer, Law Society of Ontario


Diana joined the Law Society of Ontario in 2001 as the Executive Director of Professional Development and Competence. She has since held numerous positions in the organization in addition to the competence portfolio, including Executive Director of Organizational Strategy, of Communications and of Professional Regulation. Diana was appointed Acting CEO in September 2017 and CEO in March 2018.

Throughout her career at the Law Society, Diana has provided proactive and effective policy-oriented leadership to the Board while overseeing significant operational portfolios. Her responsibilities have included strategic and operational planning, financial management, governance assessment, board education, creation of defensible and valid licensure systems, provision of resources and supports for legal practitioners, and the development of progressive regulation, risk management and quality assurance for lawyer and paralegal licensees and their legal practices.

Prior to joining the Law Society, Diana was the Chief Operating Officer of a large Toronto law firm and in that capacity supported business development, client services, firm administration, strategic planning and financial accountability.

Diana has been a business executive for over 25 years, and has certifications from Rotman, Ivey, Smith and Harvard Schools of Business on a range of strategy, financial, leadership and management topics. She has extensive governance and board experience, is a Chartered Director (CDir), and has worked with private and not-for-profit boards as a board member and governance facilitator in the education, energy, health care, insurance and professional services sectors.

Land Acknowledgement

The offices of LAWPRO are located on the traditional territory of many nations including the Mississaugas of the Credit, Anishnabeg, Chippewa, Haudenosaunee and Wendat peoples. Toronto is covered by Treaty 13 with the Mississaugas of the Credit. LAWPRO respects and acknowledges the histories, languages, knowledge systems, and cultures of First Nations, Metis, and Inuit nations.

Back to top