Executive Team

David Rivard

Chief Executive Officer

David began with our Agency in 2008. Prior to that, he was Executive Director of the Sudbury/Manitoulin CAS and the Family Counselling Centre of Sault Ste. Marie and District. He possesses a Masters of Social Work from Wilfrid Laurier University and an Honours Bachelor of Social Work Degree from Laurentian University.

David has also been an Adjunct Professor in Social Welfare and Social Work at a number of Canadian and American Universities over a period of twenty years, teaching courses on social policy; child abuse and neglect; and Canadian/International Social Welfare.

David has authored/co-authored a number of publications on healthy personal and organizational growth and has also conducted research in the areas of poverty and divorce.


Mahesh Prajapat

Chief Operating Officer

Mahesh Prajapat has over 25 years of combined experience in the areas of Social Work and practice and leadership. Prior to joining CAS of Toronto as the Chief Operating Officer, he was the Director of Service at the Children's Aid Society in Peel. He possess a Bachelor of Social Work Degree from Lakehead University, and a Masters of Social Work from University of Toronto, and completed Leadership designations with Schulich School of Business, leading organizational change initiatives with Excellence Canada, and was a Clinical Panel Member with the Office of the Children's Lawyer. Mahesh is a strong advocate and champion of Diversity, Equity and Inclusion; organizational excellence and strategic thinking and improvement, strongly committed to building partnerships with the community to ensure families are strengthened and children remain safe, healthy and strong.


Anthony Battista

Chief Financial Officer

Anthony is a senior financial executive with over 17 years of diverse experience in accounting, reporting, budgeting, business advisory services and national IT implementations.  Prior to joining CAS, Anthony operated in the Ontario Broader Public Sector as the Deputy CFO at Baycrest Health Sciences.  Anthony enjoyed an 11+ year career at KPMG commencing in 2000 during which he obtained his designation as a Chartered Professional Accountant.  He holds a Bachelors of Business Administration from the Schulich School of Business at York University.  Anthony is a motivating leader who builds and maintains positive relationships at all levels and delivers value-added results.


Marnie Lynn

Chief Human Resources Officer

Marnie’s roles as a Director and Senior Executive, in Human Resources in both the Healthcare and Child Welfare Services sectors have allowed her to develop an innovative and effective leadership style, utilizing exceptional team building, negotiation and change-focused skills, while working with diverse stakeholders to build consensus and achieve objectives.

Her strength is being able to integrate Human Resources seamlessly into all aspects of an  organization and to partner with all levels of management and Union to maximize opportunities and provide quality organizational development.

She currently sits on several Healthcare and Child Services Boards and Committees at Nucleus Independent Living and within the Halton Mississauga LHIN.