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Our Team

Our leadership team have a wealth of experience and are skilled speakers. Click here to book an Oaktree speaker.

Sashenka Worsman

Chief Executive Officer

Sash commenced as CEO in January 2017. She is the youngest ever board member of the Australian Council for International Development (ACFID). ACFID is the peak body for the aid and international development sector, representing over 130 organisations across Australia working in over 90 countries. Sash is also an Executive Committee Member of the Campaign for Australian Aid.

Born and raised in war torn Sri Lanka, Sash has an unwavering passion and commitment to lead young people in creating a world where equality and peace are commonplace. Since moving to Australia in 2009, Sash has completed a double degree in Law and International Studies. Sash has represented youth at the UN Climate talks in South Africa, worked through East Africa for the Campaign for Australian Aid and most recently, Sash worked for World Vision Australia as the National Director of their Youth Movement – VGen.

Alex McLean

Chief of Staff 
Contact: a.mclean@theoaktree.org

Alex is not only our most hilarious exec member but is also passionate about supporting our state volunteers around the country. Since starting at Oaktree in 2016, Alex has helped create our first diversity plan and strategy and has been working hard at creating a more diverse and inclusive Oaktree. Outside of Oaktree, Alex loves many things, including outrageous colourful clothing, food, and disco music.  

Christine Deng

Head of International Engagement
Contact: c.deng@theoaktree.org

Christine first joined Oaktree in 2015, volunteering in various roles before stepping in as Head of International Engagement in September 2017. She knows that young people are a passionate and capable bunch, and play a crucial role in creating a fairer, more equitable world. Christine loves working alongside our partners in the Asia-Pacific region, and is most excited about work that shifts power structures and challenges the status quo. When not at Oaktree, you can find Christine studying a Master of Public Health, eating delicious, locally grown food, and roller-skating by the beach.  


Dhanush Girish

Chief Financial Officer 

Contact: d.girish@theoaktree.org


Dhanush joined Oaktree in November 2017 with a passion to provide all young people with the opportunity to thrive.  Prior to Oaktree, he worked as a Tax Consultant at Ernst and Young as part of their Private Client Services practice and had worked there for two years whilst studying a Bachelors of Commerce degree at The University of Melbourne. He has been volunteering as the Director of Finance and executive board member of the Strive Student Health Initiative and as a Project Consultant at the Global Consulting Group.



Stacey Batterham

Head of Campaigns

Contact: s.batterham@theoaktree.org

Stacey is the Head of Campaigns and the 'golden oldie' of this youthful exec team. At the ripe old age of 25, Stacey has been involved with Oaktree since the Roadtrip to End Poverty in 2013. Five years later Stacey still maintains that going on the Roadtrip was the single best decision that she has ever made. The Roadtrip sparked Stacey's passion for transformational campaigning experiences that don't just engage the loudest voices in the room, but the most passionate and engaged.

Stacey stepped into the role of Head of Campaigns in September 2016 after leading Oaktree's political engagement and grassroots mobilisation portfolios. In addition to her role at Oaktree, Stacey is on the leadership team for the Campaign for Australian Aid, working with campaigners from across the aid and development sector to advocate for a stronger aid budget. In her spare time, Stacey can be found working on her Master of Public Policy and Management, pondering the current state of the feminist movement and constructing a well balanced cheese board.


Amy Pearce

Head of Marketing and Fundraising 

Contact: a.pearce@theoaktree.org

Amy joined Oaktree in 2016 and comes from a background in digital and print marketing. When she's not pitching for innovative strategies around fundraising, marketing or communications, you can find Amy sitting in the sunshine or talking about the sunshine on a cloudy day. Amy may be one of our newest members on the team, but her motivation and passion towards young people and the power they have to create change is at the forefront of her work.

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