Together for Humanity

Our Board

Our esteemed, highly skilled Board are authentic in their embrace of diversity.

Chris McDiven AM - Chair

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Chris is a retired teacher and businesswoman who has served on numerous not-for-profit boards. In 2011, she was awarded an Order of Australia (AM) for her service to the Liberal Party and the community through education and women’s organisations. In 2005, she was elected the first female Federal President of the Liberal Party of Australia. She was President of the Kambala School Council for ten years and Director of the Association of Independent Schools for four. In addition to her role with Together For Humanity, she is heavily involved with Rotary, and is a Trustee of the Historic Houses Trust (Sydney Living Museums).

Madenia Abdurahman - President

Madenia Abdurahman picture

Madenia is a retired school principal with deep experience in the not-for-profit sector. She is currently Chair of Muslim Aid Australia.

Zubeda Raihman, JP,  BA (ACCG), MHED, CPA - Treasurer

Zubeda Raihman

Zubeda has experience in management positions at Macquarie University, the Office of Financial Services and in the not-for-profit sector, particularly with interfaith and women’s organisations. Her current roles include President of the Muslim Women’s National Network of Australia, Treasurer of the Pan Pacific South East Asia Women’s Association, President of the Australian Women’s Coalition and Convenor of the Women’s Interfaith Network among others.

Tina Green - Director

Tina Green

With more than 30 years’ experience in the private and not-for-profit sectors as Company Director, volunteer and committee member, Tina has seen the spectrum of community needs. She has worked extensively with Odyssey House Drug and Rehabilitation, Child Abuse Prevention Service (CAPS) and the Australian Youth Orchestra. Tina is a Registered Justice of the Peace and her interests lie with youth and the best ways to give them the opportunities of unbiased and broad education.

Sam Halbouni - Director

Sam Halbouni

Sam is Principal of Arkana College, a post he has held for the past decade. Within his leadership role, Sam works closely with the Board of Directors as Secretary, participating in and documenting all governance, financial and education matters within the school. He is also the Chairperson of the Advisory Board for a large K-12 Victorian school. Sam is a member of Independent Primary School Heads of Australia, currently serving as the Proficient Teacher Accreditation Liaison Head, a member of the Islamic Schools Association of Australia and a Justice of the Peace. He is also an advocate for those less fortunate, and works alongside charities locally and abroad to alleviate some of the pressures and hardships these families face on a daily basis.

Peter Hamill - Director

Peter Hamill

Peter Hamill has been an educator in the Catholic sector for more than 40 years. He has held senior leadership positions in several Catholic schools and education systems. He spent eight years as the Director of Schools in the Diocese of Broken Bay and has served as the Deputy Director of the National Catholic Education.

Valerie Hoogstad - Director

Valerie Hoogstad

Valerie has over 25 years’ experience working in universities, both in academia and as a Director involved with International Education. Currently, Valerie is working part-time at Sydney University and as a consultant in Intercultural Communications. She is also Chair of the NSW Centre for Volunteering and a Director on the board of Odyssey House. Valerie has a Masters degree in Education and is the author of 16 textbooks related to literacy and business communications. 

Rabbi Zalman Kastel AM - National Director


Zalman is an ordained minister of the Jewish faith and a qualified teacher with over 25 years’ experience as an educator in primary and secondary schools. Zalman has a passion for working across communities to develop better understanding between the major faiths. He founded Together for Humanity (previously The Goodness and Kindness Project) in 2002.

Nim Rutnam - Director

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Nim is a qualified solicitor, entrepreneur, human rights activist and philanthropist who has served on numerous not-for-profit boards. Nim was the past General Counsel & Executive Director for Procter & Gamble Australia/New Zealand. Nim is presently the Group General Counsel & Joint Company Secretary for Blackmores Ltd.

Jacquie Seemann Charak - Director

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Jacquie is a Partner at national commercial law firm Thomson Geer in the employment and safety law team in Sydney. Over the past 30 years, Jacquie has worked extensively with not-for-profit organisations of many faiths and none in the education and community service sectors. She has held a variety of volunteer and executive positions in the Jewish community since she was a teenager.  


Peter Stephinson - Director

Peter Stephinson

Peter has had over 40 years of experience in business management and marketing in the private sector. Peter has worked in both the security and construction industries. His focus is on business efficiency and implementing procedures. Currently he volunteers as a Supervisor and Mentor for the Men’s Shed organisation. Peter has served on the board of Together For Humanity since 2006.


Timothy Ian Stern - Director

Timothy Ian Stern

Tim is a retired business owner with experience in retail and real estate sectors. He qualified as a Boy Scout leader and is an ex first-grade rugby player. Tim is an active volunteer within the Jewish Community.



Jana Bohumila Wendt - Director


Jana has worked as a journalist for over three decades and is also an author. Jana has reported widely for broadcast and print media, nationally and internationally. She has received numerous awards in recognition of her work. As a reporter, Jana’s experience covering conflict raised her awareness of the need for role models to assist children whose experience is devoid of religious, ethnic, and cultural tolerance.


Emeritus Professor Di Yerbury AO - Director

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Di was the first female Vice-Chancellor of an Australian university, 1987-2006. She has been President of several higher education associations and peak bodies, nationally and internationally. In 2001-2, Di was named Telstra NSW Businesswoman of the Year. She has been a Director/Chair of many Boards since 1983 including GIO NSW and Australia Post. Di currently chairs Crescent Wealth, Australia’s first Sharia-compliant superannuation scheme.