Who We Are

Who We Are

Board Members

Davin Shellshear, Chairperson

Davin has 45 years’ experience as an engineer. For 12 years he was Operations & Maintenance Manager with one of Australia’s largest local government integrated water utility, Brisbane Water. Since 2003, Davin has worked as a consultant in water and sewerage infrastructure, and outsourcing infrastructure development and operation, maintenance and asset management. He also consults in behavioural risk management, cultural management, and performance optimisation for alliances and organisations. He is an expert in applying ISO 44001 (Collaborative Business Relationship Management Systems) through his consultancy, the Institute of Collaborative Management.

Arif Matthee, Board Member

Arif is a qualified accountant with degrees in economics, law and accounting. He has extensive experience in stockbroking, funds management, personal income tax and accounting for self-managed superannuation funds (SMSFs). Arif is now semi-retired and actively manages his investments. His particular interest is in share investments and following regulations relating to SMSFs. Arif is genuinely motivated to be part of the Board as he enjoys applying and sharing his financial skills and supporting the charitable side of Dharma Care. Arif also enjoys “tramping” in the mountains of New Zealand where he spends part of every year.

Markus Fraval, Board Member

Markus has a passion for sustainable development – in particular, new systemic models of development that prioritise people and the planet. He has a diverse background as an entrepreneur, multinational business executive, United Nations consultant and volunteer working in Europe, Asia, Africa and Australia. He is currently Director of Strategy and Business Development at the Australian branch of leading recycling and sorting technology company, TOMRA, and also sits on the board of Australia’s peak body on recycling. He holds a Master’s Degree in Management Studies from Cambridge University in the UK, and his interest in participatory and strength-based approaches to development led him to additional studies in International Development.

Maria Blake, Board Member

Maria holds a Bachelor of Arts (English) and a Masters in Human Resource Development. After a successful career in Government, she left to have and raise children. On returning to work, Maria entered the university sector and became the Director of Organisation Development at three leading universities in Western Australia and Victoria. She was responsible for programs related to leadership, client contact, staff selection, complex problem-solving and change management. She also designed and implemented performance management systems and staff induction processes. Throughout her career she was able to attend international conferences and have early access to innovation in her field, particularly related to complex problem solving. She has published articles on client service and learning. Currently she is retired and enjoys gardening, writing, bridge, and working as a volunteer in welfare and personal growth.

Irwan Wyllie, CEO

Irwan is a senior executive, consultant and educator with 30 years’ experience in the public and private sector. He has undergraduate degrees in Economics and Arts and postgraduate qualifications in town planning history and education. His experience includes Bid Management, Outsource Management, Merger Management, Client Management, Transition Management, Program Management and Change Management whilst working for Compaq Computers, Hewlett Packard, and Volante in Australia. He was MD of ASX-listed Computronics Corporation Ltd. He has taught at the University of Canberra and Southern Cross University, and in corporate training. He is a founding director of Yes Quest International that facilitates young adults to identify and develop their unique talents.

Darren Sutton, Deputy CEO

Darren Sutton

Darren is an experienced Director, consultant and proven business leader with an extensive career building business, consulting to some of Australia’s biggest brands and non-profits, creating digital strategies and delivering leading edge marketing, technology and communication services.  Strategic adviser delivering digital transformation, customer experience, omni-channel communications, acquisition, engagement, conversion, loyalty and retention marketing outcomes.    Depth of experience in business leadership, delivering business growth, multi-disciplinary team management, staff coaching and mentoring, project management and delivery of large-scale strategy programs, creative concepts, award winning campaigns, data-driven marketing services & automation.   Founder of an award-winning community event organisation that has donated over $352k to local charities in Northern NSW since 2016. Presentation speaker for ad:tech, iStrategy, AMI, Interactive Minds, Networx, ADMA, AAA and ATDW. Prior Committee member for ADMA Queensland.


Osanna Vaughn

Osanna is a world citizen who speaks English, Spanish, French and German fluently. She has lived and worked in France, Spain, Australia, the US and, more recently Germany and the UK, primarily making use of her languages in different fields of communication. She is a published author, sub-edits blogs for Leica Camera AG, and is editor-in-chief of the Subud World News website. From 2005 to 2010, Osanna was Chair of the World Subud Association (WSA), and ex-officio member of the Board of Susila Dharma International Association (SDIA), of which Dharma Care is a member. As such she travelled all over the world attending congresses, making presentations and promoting both WSA and SDIA initiatives. Even after her term as Chair was over, she continued to visit and promote projects – including in Australia and Borneo, two of the countries where Dharma Care is particularly active. Osanna was appointed a Dharma Care Ambassador in November 2021.