Executive Leadership Team

Agata Jarbin
CEO / Senior Conciliation Officer


Agata joined ACCS as Chief Executive Officer in October 2018.  As a leader, Agata's focus is on the provision of exceptional customer service to support great outcomes.

Prior to joining the organisation, she was the Acting Chief Executive Officer of State Trustees.  She has extensive experience in various roles in the professional services sector, including having been a partner of the international legal firm, King & Wood Mallesons.

Agata is an alumnus of Leadership Victoria’s Folio Community Leadership Program and has a Diploma of International Arbitration, Graduate Diploma of Legal Practice, Bachelor of Law (Hons) and Bachelor of Economics. She is also an accredited mediator and arbitrator, and a member of the Chartered Institute of Arbitrators.  As a legal practitioner, Agata has participated in numerous mediations, conciliations and arbitrations.

Apart from her impressive record in law, Alternate Dispute Resolution and strategic leadership, Agata is a passionate advocate for the mentally ill, particularly in her continuing role as Chair of ERMHA, a not-for-profit organisation supporting people experiencing mental illness.

Leanne Lee - Board Secretary

Leanne Lee


Leanne joined ACCS in January 2019 as Board Secretary.  Prior to joining the business she was a Corporate Lawyer at State Trustees. Having extensive experience in commercial and corporate law along with management consultancy experience, Leanne provides her expertise to support compliance and governance related activities for the board and organisation.

Leanne is an Australian Legal Practitioner and holds a Bachelor of Law (Hons) and a Bachelor of Commerce. In 2016 Leanne was a finalist in the Financial Services Council Future Leaders Award Program and is currently undertaking a Graduate Diploma in Applied Corporate Governance through the Governance Institute of Australia.

Alyssa Duffy
Deputy Senior Conciliation Officer - Legal and Technical

Alyssa Duffy


Alyssa is a nationally accredited mediator, conciliator and qualified lawyer who commenced her career at Slater & Gordon Solicitors as a personal injury lawyer in 2003. She has also worked at WorkSafe as Legal Counsel before joining the Accident Compensation Act Review and working in legislative reform and implementation.

In 2010 Alyssa was appointed as a Conciliation Officer at ACCS and has been involved in various organisational improvement projects. In 2016, she co-presented a Conciliation course LAW5CON at La Trobe University and has spoken at the National Mediation Conferences in 2012 and 2016. Alyssa is a member of the Resolution Institute and Victorian Association of Restorative Justice.

Alyssa has a keen interest in Workers Compensation, Alternative Dispute Resolution and Access to Justice, and works to ensure that this is reflected in ACCS practices and operations.

Kate Spillane
Deputy Senior Conciliation Officer - Service Improvement

Kate Spillane


Kate has had over 24 years of experience in the Victorian Justice System and has worked in Courts across multiple jurisdictions in Melbourne and Regional Victoria. Most recently Kate held the role of Principal Registrar of the County Court of Victoria and led major reform to improve the services of the County Court Registry. She has won a number of awards across her career, including the One Justice Award for Leading Significant Change. Kate holds a Diploma in Government Court Services from Victoria University.

Dale Mitchell - CFO
Dale Mitchell

Dale joined ACCS in March 2019.  During his career of nearly 25 years in the public and private sector, Dale has held executive management positions including General Manager, Corporate Services and Chief Financial Officer with Victorian public sector agencies.  Dale has been responsible for portfolios such as finance, corporate governance, risk management, information technology, procurement, records management and people and culture.  He managed implementation of key business and financial systems.

Dale is a Certified Practicing Accountant and has a strong understanding of the Victorian governance and financial management framework.  His government experience includes working with the Victorian Health Promotion Foundation, Southern Metropolitan Cemeteries Trust and the Victorian Auditor-General's Office.  Dale is a graduate of the Australian Institute of Company Directors.

Michelle Johnston - People & Culture General Manager


Michelle joined ACCS as General Manager, People and Culture in November 2018.  As a senior executive, Michelle develops high performing leaders, constructive and client focused workplaces, and trusted brands that deliver successful outcomes.

A human resource, leadership, communication, culture change and brand executive with 25 years’ experience, she has strategically led the transformation of people, systems, and processes to significantly improve organisational culture, enabling the delivery of world-class client experiences.

Michelle is a Certified Professional of the Human Resource Institute of Australia, a Member of the Chartered Institute of Personnel and Development (UK), a member of the Corporate Executive Board Advisory Panel, and she is an alumnus of the Leadership Victoria Williamson Community Leadership Program, holds a Diploma of Management, and is currently completing a Graduate Certificate in Human Resource Management.

Michelle is a passionate advocate for women in leadership, diversity and inclusion, and mental health.