Donna Castellano - President

Donna Castellano


Donna is a senior project manager at the WCB of Manitoba and a proud founding member of the Manitoba Chapter of Association of Change Management Professionals (ACMP). She has an expansive career of over 25 years of local and international business and technology related projects. Donna has proven success aligning strategies with mission-critical needs through high-profile initiatives and process improvements.

Donna is a practicing and certified; PMP (Project Management Professional), Prosci, ITIL Foundations specialist, and CCMP (Certified Change Management Professional).

Passion, enthusiasm, a dash of humour and great drive for change management describes Donna's positive outlook for the profession. With the current realization and desire by organizations as to the value of change management in driving successful implementation of their programs and projects, she believes it is both timely and opportunistic for practitioners to leverage the local chapter as well as ACMP global.

It is an exciting time for change management in Manitoba!


Tanya Nietrzeba - Vice President

Tanya Nietrzeba

Vice President

Tanya has over 25 years' experience in facilitation, leadership, planning and project work incorporating change management in all of these facets. She currently works for Manitoba Hydro in the ITS division leading the Organizational Change Management Office. In her current role, she leads and prepares the Corporation in technological and process changes in various corporate initiatives. She has worked at the portfolio, program and project levels. Tanya contributes her experience through the many years of teaching, working with the people in the business, education and the variety of work that she lead and contributed to. Tanya holds a Bachelor of Education and Arts degree and a Certificate in Management. She holds a certification in Prosci, ignitem (Certificate in Change Leadership-Coach Training) and CCMP (Certificate in Change Management) designation through ACMP (Association of Change Management Profession).

A proud founding member of the Manitoba Chapter of Association of Change Management Professionals (ACMP).


Shelley Malo - Treasurer

Shelley Malo


Shelley is a Senior Consultant with over 15 years of Business and IT consulting experience. She is passionate about adult learning and development and has a breadth of experience in adult education and training. Shelley has completed the Change Management Letter of Accomplishment program from the University of Manitoba and is currently pursuing a diploma in Adult Education from St. Francis Xavier University. Shelley is a PROSCI Certified Organizational Change Management Professional and works with Winnipeg companies to provide Change Management services on key change initiatives.


Enah Isidro - Secretary

Enah Isidro


Enah is an Organizational Development Consultant with Great-West Life. She has over 20 years experience in areas of human resources, training and development, organizational development, program management and change management.

She spent more than ten years of her career in change management, leading transformational change in cross- cultural/cross-functional organizations in Asia Pacific and supported various change initiatives both in public and private sectors in Manitoba. She holds a Bachelors Degree in Nursing and Certificate in Project Management (Honours). Enah has PROSCI certification and a designation of a Certified Change Management Professional™.


Candace Mutimer - Director, Sponsorship

Candace Mutimer

Director, Sponsorship

Candace Stevens, PMP is a lead consultant with Sierra Systems specializing in change management. Candace’s experience ranges from a large number of clinical settings throughout North America, Europe and Australia. Candace is currently working with Manitoba eHealth as OCM lead to various projects to expand the use of electronic medical records within the acute care centers of Manitoba.


Marianne Meush - Director, Governance

Marianne Meush

Director, Governance

Marianne Meush has spent her entire career leading change and is a passionate advocate of the OCM practice. Throughout her career, Marianne has worked with a wide range of industries – from financial and health care, to information technology and cyber security. Marianne has held leadership positions in Human Resources, Organizational Development and OCM helping organizations transform their operations and successfully implement their vision. These days you can find Marianne navigating a “sea of change” with her husband Stephen on their sail boat in the Caribbean or Lake Winnipeg.


Craig Adam - Director, Communications

Craig Adam

Director, Communications

Craig Adam is a seasoned manager and expert in Organizational Change Management who leads teams through periods of transformation while unlocking human potential and discretionary effort. He builds team cohesiveness by helping each member to find his or her niche. His analytical approach to examining business processes consistently leads to efficiency gains and cost avoidance. He has almost 20 years of experience re-engineering processes in a variety of technical and management roles and has been writing computer software since childhood.

Craig was formally introduced to OCM under the personal guidance of LaMarsh Global CEO and industry thought leader Rick Rothermel. He is passionate about helping organizations reap the benefits of technology transformation by maximizing the acceptance of technical solutions. Joining ACMP in 2013, Craig has been a member of both the Calgary and Manitoba chapters.


Laura Thompson - Director, Volunteer Outreach

Laura Thompson

Director, Volunteer Outreach

Laura is a Senior Consultant with over 19 years of Business and IT consulting experience. She is a PROSCI Certified Organizational Change Management Professional and a Certified Business Process Management Professional with a passion for leveraging business architecture and process to deliver end to end coverage of people, process and technology. Laura has proven success leading and facilitating teams on a variety of change projects with a focus on optimizing business outcomes.


Katharina Kettner - Director, Marketing & Outreach

Katharina Kettner

Director, Marketing & Outreach

Katharina is an innovative senior consultant with 20+ years of designing & implementing effective, sustainable projects and programs for corporate companies. Her expertise in all aspects of Organizational Change, as well as PM and process engineering, is combined with a passion for people and a solid background in Organizational Strategy, Culture, Behaviour and Communication.

Katharina holds a PhD in Philology and a Certificate in Economics/Business Administration, with Marketing, Strategic Management, Organization & Leadership and HR as focal subjects. A passionate networker, she has leveraged knowledge and creativity within and across networks with GABAL, ipma and the ACMP as well as informal network in Arts & Business and Organizational Change Management.