Our Executive

Ed Holmes

Chief Executive Officer

Ed is an experienced finance executive with extensive experience in the corporate and NFP sector having worked in senior roles across disability, aged care and justice before joining Unison.  Prior to entering the community sector Ed was in senior management roles in the corporate sector in mining and manufacturing.  

He holds a Bachelor of Commerce (CPA) and his financial experience covers many areas, including analysis of major capital projects and manufacturing accounting, external and internal financial reporting and company secretarial requirements. In addition, Ed has experience in  Information Technology, Communications, Fundraising and Human Resources in the corporate and NFP sectors.


Sue Grigg

Director Housing and Homelessness

Sue Grigg has been working in housing and homelessness for over twenty years and has extensive experience working in the not for profit sector, for government and in research and consulting roles.

Sue has postgraduate qualifications in Social Planning and also brings to the Director’s role a passion for learning and practice development.


Celine Savage

Director Corporate Services

Celine is a quality and risk specialist who brings expertise across a range of business administration functions, including governance, compliance, project management, internal audit, reporting, business continuity planning and risk.

Her career spans roles in commercial real estate and the building regulatory space, as well as extensive experience in the not-for-profit sector.

Celine has a successful track record of initiating and managing change to strengthen service delivery, improve efficiencies, mitigate risks and optimise performance.

She holds a Masters in Business and Management and a Diploma in Quality Auditing.

Prior to being appointed Director Corporate Services, Celine was Manager Risk and Compliance at Unison.


Susan Marsenic

Head of People and Culture

Susan Marsenic is an experienced People and Culture executive with relevant experience in the community services sector. Susan has a successful track record in developing and implementing a strategic approach to People and Culture to support organisational objectives.

 Susan has knowledge and experience across the full range People and Culture functions, including sourcing, selection, attraction and retention, performance development, culture alignment, employee relations, compliance and processes, OHS and injury management.

She holds a Bachelor of Arts in Policy Studies, a Diploma of Community Services Management, Graduate Diploma in Human Resources and Industrial Relations, and a Masters Degree in Workplace and Employment Law.