Board and Executive


Victoria State Emergency Service (VICSES) is governed by a Board of Directors accountable to the Victorian Minister for Emergency Services, and is run by the executive management team.

After VICSES was established as a Statutory Authority on 1 November 2005, a Board was appointed to govern the organisation. The Board meets monthly and reports directly to the Minister for Emergency Services.

Between them, the Board members possess a wealth of experience in the emergency services, finance and other business industries.


Greg Wilson 

Board Chair

Greg Wilson was appointed as Victoria State Emergency Service (VICSES) Chair in February 2020. 

Greg was previously with the Department of Premier and Cabinet, and was Secretary of the Department of Justice and Regulation, Secretary of the Department of Sustainability and Environment, and Deputy Secretary of the Policy and Cabinet Group at the Department of Premier and Cabinet.

Greg chaired the Victorian Essential Services Commission (formerly Office of the Regulator-General) and has held a number of senior leadership roles including Deputy Secretary (Water Sector) in the Department of Sustainability and Environment, General Manager of Regulatory Policy at the Essential Services Commission, Senior Economist, Department of Treasury and Finance, Melbourne Water and City West Water.

Greg was appointed as Chair of the Country Fire Authority (CFA) in 2020, and has been Chair of the Transport Accident Commission (TAC) since 2019. 

Bernard (Bernie) Cronin

Bernie joined the VICSES board in October 2014.

Bernie brings skills in board governance, community infrastructure planning and service management.  He has extensive senior management experience in local government and voluntary activities, including Municipal Emergency Recovery Management.

Bernie's qualifications are in company directorship, business, human resources and social policy. Bernie is currently involved on a number of boards across social services and community based organisations.

Lisa Borowick CA

Lisa joined the VICSES board in February 2017 and is Chair of the Risk & Audit Committee. 

Lisa is a Chartered Accountant with more than 27 years’ experience in commerce. Lisa’s industry experience includes corporate travel, technology, insurance, residential property development, recruitment, risk management and accountancy.   

Lisa has spent over 30 years volunteering for not-for profits, such as environmental groups, and as the National President of sporting body, Maccabi Australia. Lisa sits on the Board of Goldman Group, LNB Projects Pty Ltd, and MAI Board of Governors.  

Additionally Lisa is the International Chair of the English speaking Desk for Maccabi World Union and is a member of the International Sports Committee, who set and preside over the Sporting Regulations for the Maccabiah Games, a multi-sport event held quadrennially, currently the 3rd largest sporting event in the World.

Barbara Yeoh AM 

Barbara was appointed to the VICSES Board in June 2006. 

Barbara has an extensive career in the finance sector, in both the public and private sectors, as well as having broad experience over some 30 years as a director in the finance, health, transport, agricultural and education sectors.

Barbara is currently a member of the Australian Health Practitioner Regulation Agency (AHPRA) Management Committee, Principal Associate of PhillipsKPA, specialist advisers to the education sector, and Patron of the HUSH Foundation. More recently, Barbara served as Chair of Monash Health and Deputy Chair of the Civil Aviation Authority Board Audit Committee.  

Barbara is a Fellow of the Australian Institute of Company Directors and a Member of the Order of Australia. In 2015, she was inducted into the Victorian Honour Roll of Women and received the CEO Magazine 2015 Chairperson of the Year award.

Nina Brooks

Nina joined the VICSES board in January 2016 and is Deputy Chair of the Risk & Audit Committee and a member of the Remuneration Committee.  

Nina is an experienced human resource executive with over 25 years’ experience and comprehensive knowledge of business partnering to achieve organisational results.  She has worked across a variety of industries including professional services, consulting, FMCG, manufacturing and government. 

Nina is recognised as a trusted and insightful advisor across the full spectrum of people and organisational culture. 
She has been a Director of Otway Health where she Chaired the CEO Management Committee and is currently serving as a Director of International Social Services (Australia).

Nina is a graduate of the Australian Institute of Company Directors (AICD).

Casey Nunn ASM

Casey Nunn ASM was appointed to the VICSES Board in February 2020. 

Casey has extensive experience in emergency services, having served as a volunteer with Ambulance Victoria for over 18 years and the Country Fire Authority as an operational support volunteer for 13 years. She was awarded an Ambulance Service Medal in the 2011 Australia Day Honours. In 2012, Casey was awarded an Emergency Services Foundation (ESF) Scholarship and travelled throughout the United States and Canada studying recruiting, retaining and leading volunteers. 

Casey is a former Hume Young Citizen of the Year and a Youth Parliament Participant. In 2012, Casey was elected to Hume City Council and served as Mayor from 2013 - 2014. Casey serves as a board member of the Salvation Army 3064 Advisory Board and is also a Trustee Director for Vision Super.

Casey is a Graduate of the Australian Institute of Company Directors (GAICD) and was inducted into the Victorian Honour Roll of Women in 2019. 

Martin Geerings

Martin was appointed to the VICSES Board in February 2020.

Martin has been a volunteer with the Victorian Country Fire Authority for 20 years, and brings with him skills and expertise obtained over 20 years working in the finance sector of a major industry and is the former owner of a small business. 

Martin has a long standing interest and involvement in community welfare organisations and has volunteered with the Wye River SLSC and Leukaemia Foundation.




Stephen Griffin

Chief Executive Officer

Stephen has been employed in various local government roles including community services, corporate services and as a Chief Executive Officer.

His involvement with local communities and various advocacy programs complements his formal qualifications in management, business and education.


Tim Wiebusch 

Chief Officer Operations

With a passion for emergency management and over 25 years' of experience with government agencies, Tim is responsible for the development of operational doctrine and overseeing incident
management capability development within VICSES.

Kate White

Director Community Resilience and Communications

With extensive experience in emergency management, event management, finance and banking across the public and corporate sectors, Kate's areas of responsibility are Community Connections, Emergency Management Planning and Media and Communications.

John Casey

Director Corporate Services

John has over 20 years’ experience in financial management roles in the public sector across Commonwealth and State Governments.

John’s VICSES areas of responsibility are governance, finance and administration, information communication technology, project
management and assets and infrastructure.

Silvia Silverii

Chief Information Officer

Silvia Silverii joined VICSES as Chief Information Officer (CIO) in July 2018, bringing more than 20 years’ experience in Information Technology and a wealth of experience and skills in optimising the use of data and information flow for organisations, here and internationally.

Silvia comes from the Independent Broad-based Anti-corruption Commission (IBAC) Victoria, where for the past 5 years she held the role of Head of Information Technology and Management, supporting IBAC’s organisational objectives through the leadership of its information and communications technology programs.

Prior to IBAC, Silvia was CIO for the Financial Ombudsman Service for 6 years, and has also worked for EPT Pty Ltd/KAZ Software Solutions.

As CIO for VICSES, Silvia leads the Information Services team. 

Sharon Kelsey

Director People and Organisation Development

Sharon is an experienced Executive with chief executive and executive leadership roles in government, commercial and not-for profit organisations.

As a qualified lawyer, Sharon has a broad background, serving as a police officer in outback Australia and as a Detective for the U.S. Army Airforce Exchange Service based in Japan. Her formal qualifications include a Master of Laws, Bachelor of Laws and post graduate qualifications in occupational health and safety, adult education and contemporary business practices.

With an infectious enthusiasm for people, she has an enviable record of engagement across all levels of organisations.  A national survey identified organisations under her leadership had staff engagement levels in the top 25% of like organisations. 

In 2014 an entity under her leadership received the inaugural Reconciliation Victoria Award for its transformative work with Aboriginal organisations.

She brings passion, knowledge and contemporary skills to the People and Development portfolio.