Organisation Structure

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Coming soon…

Leadership Team

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Lynne Harwood

Chief Executive Officer

Lynne joined Mosaic in September 2018 with a goal to transform the organisation from “Good to Great” using the Fish! Philosophy and her extensive experience in leading organisations and people and marshalling resources to gain the best outcomes.

Lynne holds a Bachelor of Commerce and is a Certified Practising Accountant, which provides a strong base for her professional guidance. Prior to Mosaic, Lynne has been a successful Chief Executive Officer of four community organisations, across two states, over an 18 year period and her professional passion is finding the ideal balance between the organisation’s “Client Purpose” and effective “Business Acumen” to ensure truly sustainable futures.

Lynne believes it is essential for a Leader to assist in creating new leaders who in turn assist in creating new leaders and with this in mind has been spending quality time with the Leadership Team, Managers and staff to help enhance the possibilities.

Lynne is delighted to be a new Tasmanian and has wasted no time in shaping Mosaic towards its optimum potential for the clients and families we serve and the people we employ.

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Matt Cook

Chief Financial Officer

Matt oversees the financial systems, assets and facilities, and the ICT Functions for Mosaic.

Matt holds a Bachelor of Commerce, Majoring in Accounting and Finance from UTAS, and has completed his CA Program with the Institute of Chartered Accountants.

Matt joined Mosaic in June 2018 bringing with him a wealth of experience in financial matters gained both in Australia and working with Lloyds Banking Group and the Royal Bank of Scotland in the UK. He’s also held positions at UTAS and the ATO, as well as working for IOOF Holdings Ltd.

Matt is leading the Mosaic Support Services financial systems into the future, by implementing strategies to streamline processes and make our organisation sustainable and financially secure. Matt works closely with the CEO, also an Accountant, and the Leadership Team to ensure operations are smooth and fiscally responsible.

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Jessica Kingston

General Manager – People and Culture.

Jessica oversees our highly engaged human resource team who do everything from remuneration and reward, industrial relations, learning and organisational development, workplace health and safety and policy and risk.

Jessica joined Mosaic in August 2018 with a huge depth of human resources experience gained from working at MyState Bank where she moved quickly up the ranks from Manager Industrial and Employee Relations to Senior Manager Human Resources, and finally General Manager HR and Property. Her passion is creating engaged, thriving workforces that value health, well being and professional development.

Jessica is a specialist in Employment Law and has a degree in Human Resources from UTAS, her Cert IV in Workplace Health and Safety from the Skills Institute Tasmania, an Advanced Diploma of Human Resources of Human Resources from Tafe Tasmania, her Ergonomic Assessor Certificate from IPM Safety and she is a Certified alcohol and drug tester from Drug Test Tasmania.


Michelle Rathbone

General Manager – Client Partnerships and Operations

Michelle joined Mosaic in 2012, Michelle’s first role with Mosaic was as a Receptionist. Michelle quickly progressed to become the Administration Manager in 2015, then Business Operations Manager in 2017. Michelle joined the Leadership Team in 2018. Michelle is currently undertaking studies for her Diploma in Leadership and Management.

Michelle is a strong engaging leader, who manages a proactive team covering client partnerships and administration. The Client Partnerships and Operations team oversee the client journey from intake onward for Mosaic while ensuring the smooth administrative operations at Mosaic Headquarters.

Prior to Mosaic Michelle managed a business with an annual turnover in excess of $3m. While in business Michelle had multiple nominations from industry partners for Tasmania Newsagent of the Year, was recognised by Tower Systems software provider within the top 3% of users nationally for maximising the operating and reporting systems and awarded Best Outlet for sales of the Trading Post for consecutive years.

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Ally Valetich

General Manager – Supported Independent Living

Ally leads our Supported Independent Living service delivery across 15 different venues.

Joining Mosaic in 2007 as a casual support worker Ally has progressed through the organisation in several key roles before moving to her current position in 2017.

Ally has extensive experience in the disability sector, starting her career in 1990 at the commencement of the Community Integration Project. Originally a Mother Craft Nurse she has a broad base experience that really connects with our families and clients. Prior to joining Mosaic Ally had a variety of management roles in 3 other key disability organisations in Tasmania.

Ally has an Associate Diploma of Welfare, as well as Level 4 Disability, and a Diploma of Disability. She has also participated in the Tasmania Community Leadership Program.

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Kellie Silver

General Manager – Community Access

Kellie leads the creative, health and wellbeing programs, camp, vacation care options, social activities, skills based and individualised programs for Mosaic.

Kellie has been with Mosaic since 2003, starting her career with the organisation as a Disability Support Worker, then progressing to a Key Worker position, then on to Team Leader, before moving to her current position. In 2009 Kellie was the winner of the NDS Inaugural Alex Tubb Disability Young Worker of the Year Award.

Kellie has a Bachelor of Arts with Professional Honours from the University of Tasmania, which locked in and formalised her very extensive hands on experience working with people with disabilities.

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Craig Triffitt

General Manager – Respite Options

Craig leads the operations of both our children’s and adult’s planned and emergency respite, an increasingly growing area for Mosaic.

Craig has been with Mosaic for 8 years and is well recognised and highly regarded in the Disability & Health Services sector, often being sought out for his opinion on relevant matters as a subject matter expert.

Craig commenced his career in disability and health services over eleven years ago within the Tasmanian State Government, where he played a key role in the successful transitioning of children’s respite from government managed into the not-for-profit sector. Given his success with this project, Craig was further engaged to assist with the later transition of adult’s respite. Craig is a passionate leader and has experience with change management, community engagement and managing diverse stakeholder relationships.