Governance Committee

The Governance Committee has various responsibilities, including regularly evaluating TRAF’s governance structure, including the relevant policies and procedures, and making recommendations for improvements to the Board. The Governance Committee also periodically arranges for TRAF’s governance practices to be benchmarked against industry standards. Additional details regarding the function of the Governance Committee are set out in its Terms of Reference.

The current members of the Governance Committee are set out below.

Nathan Martindale


Appointed to committee September 25, 2023

Nathan Martindale currently serves 16,600 members as the President of the Manitoba Teachers’ Society. Prior to his election as President, he served as Vice President for four years, as well as two years as a member-at-large on the MTS Provincial Executive. Nathan also served as the Vice President and President of the Winnipeg Teachers’ Association in a full-time capacity for six years. Nathan currently sits on the Provincial Bargaining Committee and Table Team, and previously chaired the MTS Audit and Human Resources Committees. Nathan also serves as an Executive Vice President of the Manitoba Federation of Labour and as a Director of the Canadian Teachers’ Federation.

Nathan received a Bachelor of Education degree and a Post-Baccalaureate Diploma in Special Education from the University of Manitoba and began his teaching career in the Winnipeg School Division in 2006.

Brenda Tobac

Appointed to committee March 19, 2018

Brenda Tobac has over 20 years of business experience, mainly focused on risk management. Her current role is Manager, Consulting Services at MNP Inc.

Prior to joining MNP, Brenda was Director of Risk Management at Ironclad Developments Inc. where she managed all aspects of risk including the procurement of insurance, claims management and project security. Brenda also started a captive (self-insurance) program and oversaw fleet management. She has spent 10 years in mid-market commercial banking where she managed banking relationships, structured financing solutions and brought in appropriate banking partners for mid-market corporations. Brenda has also led surety bond practices at HUB International, and practiced cross-border taxation at Deloitte and Arthur Andersen. 

She has both a Bachelor of Accountancy and a Master of Business Administration from the University of North Dakota as well as a Certified Public Accountant designation. Brenda has also completed the Institute of Corporate Directors – Rotman Director Education Program. 

Brenda has participated on boards and chaired committees focused mainly on children, health and education.

Myrna Wiebe

Appointed to committee September 25, 2023

Myrna Wiebe has more than 30 years of experience in the financial services industry. She is currently the Chief Strategy and Information Officer for Access Credit Union Limited. As a member of the executive team at Access, she is heavily involved in the development and execution of corporate strategy and board governance. Myrna also oversees the information technology and security and business integration functions for Access.

Myrna has completed the Institute of Corporate Directors – Rotman Director Education Program, IFIC Mutual Funds License, Canadian Securities Course and Certified Financial Planning designation. Her education also includes completing the Certificate in Management program at the University of Manitoba, and Post Baccalaureate Diploma in Management and a Master of Business Administration through Athabasca University.

Myrna has been actively involved in a variety of volunteer organization boards, and currently serves on the Host Committee for Curl Manitoba Scotties 2024 and has previously served on the South Central Cancer Resource Board. She also served on the Host Committee for Hockey Canada’s 2019 National Women’s Under 18 Championship event.