Administration

We are dedicated to providing friendly and timely answers to your questions. Learn more about us below.

Randy Grieser, MSW, RSW - CEO

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Randy Grieser is the founder and CEO of the Crisis & Trauma Resource Institute and ACHIEVE Centre for Leadership & Workplace Performance. He is a Registered Social Worker who holds a Master of Social Work degree and a Bachelor’s degree in Conflict Resolution. Randy is a visionary leader who, together with a team of employees and trainers, has positioned these organizations to be two of the premier providers of professional development training in the industry. Prior to founding CTRI and ACHIEVE, he worked directly with issues of crisis and trauma while being employed in the areas of mental health, counselling and crisis management within community, school and hospital settings. In addition to his work with CTRI, he is a Board Director for the Canadian Association of Threat Assessment Professionals (CATAP).

Randy believes that access to knowledge and skill development changes individual lives, communities, and organizations, and he is committed to making CTRI training and resources as accessible as possible.  He is the author of The Ordinary Leader: 10 Key Insights for Building and Leading a Thriving Organization. Randy is a dynamic presenter who delivers insightful presentations that are engaging, humorous and informative. Find his latest thoughts on leadership at TheOrdinaryLeader.com.

Contact Randy at:
[email protected]
204-452-8587


Nathan Gerbrandt, MSW, RSW - Director of Training

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Nathan holds a Master of Social Work degree and is a Registered Social Worker. He is the Director of Training for CTRI and works with organizations and communities through a needs assessment process of identifying the best resources and training to meet their needs. Nathan also provides leadership in developing and managing CTRI trainers and course content. Prior to this role he coordinated service delivery and rehabilitation planning for repeat offenders with a diagnosis.

Nathan has refined skills in risk management and collaborative treatment planning for people in conflict with the law. In addition, he possesses specialty in the areas of disability services, case management and working with people with Fetal Alcohol Spectrum Disorder. He is the author of CTRI's Fetal Alcohol Spectrum Disorder – Strategies for Supporting workshop. Nathan is an engaging presenter who uses an interactive style to maximize the learning potential of participants.

Contact Nathan at:
[email protected]
204-452-0179


Vicki Enns, MMFT - Clinical Director

Vicki is the Clinical Director of the Crisis & Trauma Resource Institute, an Approved Supervisor with the American Association for Marriage and Family Therapy, President of the Manitoba Association for Marriage and Family Therapy (MAMFT), and an instructor in the graduate program for Marriage and Family Therapy at the University of Winnipeg. As Clinical Director, she works to maintain high standards of excellence and consistency in the material delivered for CTRI. Vicki ensures that it reflects best practices in the field and provides effective strategies that apply to a broad range of clients. She is the author or editor of many of CTRI’s training materials, including those on the topics of anxiety, trauma, mindfulness, gender and sexual diversity, ethics and wellness.

In her private practice, Vicki specializes in the area of trauma recovery for individuals of all ages, and she helps individuals, couples and families build positive mental health and relational skills across developmental stages. She believes in a holistic approach to wellness that applies to both clients and helpers. Vicki also believes that it is essential for helpers to continue learning and developing their self-awareness alongside evolving clinical skills.

Contact Vicki at:
[email protected]


Heidi Grieser, Co-founder & Director of ACHIEVE Publishing

Heidi is co-founder of ACHIEVE and after many years of being involved in multiple aspects of the organization, she now heads up our new publishing division. She brings her deep understanding of the training industry, combined with her passion for books, to ACHIEVE Publishing. In this role, Heidi organizes all the steps of the publication process. ACHIEVE Publishing is committed to producing exceptional and accessible books, and publishes one book each year alternating focus between subject matter relating to the areas of leadership and workplace performance, and mental health and counselling skills. Learn more about ACHIEVE Publishing. In addition to working with ACHIEVE, Heidi is active in the local community, and sits on several different boards.

You can contact Heidi at:
[email protected]
204-789-2459


John Koop-Harder, MSW, RSW - Training Development Specialist

John has been working as a therapist and trainer for almost 20 years. He is a Registered Social Worker who holds a Master of Social Work degree. Much of John’s career has centred on working with children, youth, adults and families dealing with crisis and trauma. While he has a diverse practice, he has particular interest and specialized experience in working with individuals and families impacted by mental health concerns, violence, post-war trauma recovery, gender/sexuality issues, sexual abuse recovery and cyber-bullying/harassment. John’s work is also informed by his international experiences working with individuals and communities impacted by civil war and ethnic conflicts in Colombia, Albania and Northern Ireland.

As CTRI’s Training and Development Specialist, John provides support to other trainers and ensures that training material reflects the current research in the field and is consistent with CTRI's core beliefs. He is a warm and engaging facilitator who values interactive learning experiences.


Delayne Hogan - Public Workshop Coordinator


Cindy Rublee - Director of Internal Operations


Chantel Runtz - Onsite Training Coordinator


Lori Tiessen Banman - On-site Training Coordinator


Colin Roy - Social Media and Video Projects Coordinator


Karla Froese - Logistics Coordinator


Micah Zerbe - Client Services Support


Reid Hebert - Marketing Coordinator



Joyce Vincent - Accounting Manager