Meet the WCS Board Directors:


Brett Streatfeild

Board Chair since 2022
Audit & Risk Committee Chair since 2017
Director since 2016

Brett is currently the Chief Operating Officer for the Australian Pharmacy Council. Brett has over 30 years of experience in executive management and consulting / advisory, for the public, for purpose and private sectors. Brett is a former senior partner of Deloitte Consulting and was a joint founding partner of management consulting firm Analytics Group. Brett’s strengths are grounded on his academic qualifications, professional associations and combined experience in senior consulting advisory and executive leadership and delivery. Brett’s work always focuses on ensuring the best interests of the business are at the forefront of his actions and advice. Brett holds tertiary qualifications in Accounting and Human Resource Management. He is a Fellow of CPA Australia (FCPA), Certified Member of the Australian Human Resource Institute (AHRI), and Member of the Australian Institute of Company Directors (AICD). Brett is also a qualified Prince2 Practitioner and experienced Agile project leader.

Glenn Powell

Deputy Board Chair since 2022
AssocDip Engineering (Computer Systems), MAICD
Director since 2016

Glenn is a technology consultant with 25 years of experience working in the private and public sectors. He has worked in General Management roles spanning Sales, Finance, Human Resources, and Programme Management in industries as diverse as professional services, construction, logistics and power generation.


Michael Miller

Director since 2016
BCom (Banking & Finance), MBus (Commercial Law and Financial Planning), GDipATL, CFP
Governance Committee Chair since 2020

Michael is a financial planner and director at Capital Advisory, a local financial planning and accounting firm. Michael has experience as a non-executive director of Diabetes ACT, Care Financial Counselling, and as an advisory board member for the University of Canberra Foundation.
He has also been appointed to the Legal Aid ACT Review Committee, Australian Financial Complaints Authority expert panel, and Financial Planning Association’s Conduct Review Commission.

Dr Alison Oakleigh

Director since 2017
BAppSci (Occ Thp)(Hons), MPubPol, PhD

Dr Alison Oakleigh brings a range of skills and experience to the WCS board including her experience as an Occupational Therapist; a lecturer and teacher in tertiary education settings; a policy officer in various social policy areas; and her research into the relationships between community organisations and governments. Alison has a longstanding connection to WCS, as a guardian and sister of one WCS service user and as an aunty to three more WCS service users; as an employee of WCS (many years ago as a teenager); and as a WCS service user (many, many, many years ago, as a baby and toddler). Some of Alison’s earliest memories are wishing her mother would come home early from WCS board meetings! Alison has a particular interest in exploring how people with profound intellectual disabilities can have meaningful input into organisational governance processes and is grateful to the WCS board and staff for welcoming her sister, Susan, as an occasional observer at board meetings. Alison is passionate about social justice and supporting and activating the community to be inclusive for all.

Catherine Campbell

Director since 2021
Dip Applied Science (Nursing), RN, MACN
Justice of the Peace

Catherine retired from full time work in the health sector in July 2021 after 38 years of working in a variety of nursing roles; predominately in paediatrics and specialising in adolescents, children with complex needs, and vulnerable families. In 2009 Catherine accepted a position which saw her establish and participate in the successful cross-directorate School Youth Health Nurse (SYHN) pilot program. This role promoted positive health outcomes for young people, and Catherine worked alongside both government and NGOs to support and advocate for young people and their families. Prior to retiring, Catherine worked as the Clinical Nurse Consultant for both the SYHN program and the Healthcare Access at Schools Program, supporting children with complex or invasive healthcare needs to attend school with support. Her advocacy role and managerial style were recognised in the Canberra Hospital Awards. Catherine continues to maintain her nursing registration and expertise working casually for Canberra Health Services. .Catherine was the ACT Member of the National Diabetes in Schools Committee and a member of the Canteen ACT & NSW board. Catherine was the ACT Member of the National Diabetes in Schools Committee and a member of the Canteen ACT & NSW board.

Ranga Parimala

Director since 2021
BComm, Grad Dip PSM

Ranga is currently a senior executive in the Department of Climate Change, Energy, the Environment and Water, as the Chief Operating Officer for Parks Australia. Ranga has over 30 years of experience at all levels of government and private sector, playing some key roles in the developing complex business cases, business and economic policies for resource commodities, agriculture and Indigenous land issues. Ranga has extensive policy and leadership experience combined with strong stakeholder engagement and communication skills, delivering critical business outcomes. Ranga is a long-term Canberra resident and has lived in the Woden area for most of his time in Canberra; he also has a passion for music and both his children attended WCS’ Early Childhood Learning at Lyons.

Sasha Posthuma-Grbic

Director since 2021
BAppSci (Marine Sci (Hons), Grad Dip Ed

Sasha is an Executive Teacher with the ACT Education Directorate, working within Flexible Education in the Student Engagement Branch and leading the management of Distance Education, The Canberra Hospital School and the education program at The Cottage, CAMHS Day Program. Her role includes leading multidisciplinary teams to provide personalised education, training and transition support to all young people who come through the programs in her portfolio. She oversees program function at each site, and engages with key stakeholders including ACT Health and CAMHS, as well as Finigan School of Distance Education to ensure student learning and wellbeing outcomes are met. Sasha has worked in specialist setting throughout her career and is a fierce advocate for people who society too often underestimates, including people with disability, those deemed ‘vulnerable’ or ‘challenging’, children and young people. Sasha and her daughter are current WCS service users.


Becoming a Board Member

Membership of the Woden Community Service Board of Directors is open to residents of or workers in the ACT, excluding staff members of Woden Community Service Limited (WCS).

A membership application is provided by contacting the Secretary of the Board by email at

All applications are considered in line with the WCS Constitution 2023 by a determination of the Board at the next board meeting.