Ted Tunis is President of ESTA and has over twenty-five years of experience as a management consultant, working both within Canada and internationally. He has managed projects in more than 100 international, federal and provincial departments and agencies. Ted has worked at all levels of the workplace where his role has ranged from providing strategic advice to Cabinet Ministers and Deputy Ministers in the Government of Canada and senior UN leaders, to assisting program managers, to engaging office and shop floor employees.

Ted specializes in developing strategic direction and the subsequent management of change, drawing on skills in: organization review, design and development; strategic planning; change management; program design; human resource management; and training design and delivery.

Ted has on-site experience in most regions of the world, including South East Asia, Africa, China, the Middle East, the Caribbean, Central and South America, and Western and Eastern Europe. Prior to establishing E.S. Tunis and Associates Inc., Ted worked in senior leadership roles within the Government of Canada for 17 years.

Ted has an MBA from the University of Western Ontario, Ivey School of Business and is a Certified Management Consultant.

He is able to work in both English and French. Learn more here.


James Clemens

James Clemens brings over a decade of professional experience in leadership development, learning strategy, design, delivery and management; and organizational change and effectiveness.

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Diane Houle Rutherford

Diane is an Organizational Development consultant, executive coach, trainer, speaker and facilitator known for her highly dynamic and participative style and her systemic approach to change management.

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Phil Jensen

Phil Jensen has over 25 years of experience in policy development, program management (especially Grants and Contributions) and the management of strategic transformations in the public sector.

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Tom Rankin

Tom is a consultant in change management, organization design and leadership development and has been an associate in E.S. Tunis and Associates for over 15 years.

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Kristopher Tharris

Kristopher is an innovative thinker who thrives at creating an engaging environment, bringing people together to find a common solution.

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Madeline Toller

Madeleine Toller is an associate of E.S. Tunis and Associates with over 20 years of public sector experience in Organizational Design and Human Resources Management.

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Mark Uygur

For the past 15 years, Mark has been an associate at ESTA working on strategic planning, data analysis, information management, business analysis, and business intelligence projects.

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