2025 Summit Speakers

The 2025 NEXUS Australia Summit will feature prominent speakers, key international guests, and dynamic members of the Australian NEXUS community. We are excited to welcome the following speakers to the Summit, with more presenters and performances to be announced soon. 

Ronni KahN AO

Founder/Visionary In Residence, OzHarvest

Website | LinkedIn

  • Ronni Kahn AO is a social entrepreneur and founder of Australia’s leading food rescue charity, OzHarvest. Ronni is a passionate advocate and activist renowned for disrupting the food waste landscape in Australia. She leads with purpose and conviction in the spaces of food security and sustainability while also appearing regularly in national media. Her mission to fight food waste and feed hungry people is supported by some of the world's finest chefs. Ronni is an Officer of the Order of Australia (AO) and was named Australian Local Hero of the Year. Her journey is the subject of feature film, Food Fighter directed by Dan Goldberg. In 2020 she co-authored her biography; A Repurposed Life, which was nominated for an ABIA award for Biography Book of the Year.

Damon Gamaeu

Director & Storyteller

Website

  • Damon Gameau is an Australian actor, director, and producer, known for his documentaries That Sugar Film and 2040. Damon’s most recent film is Future Council, where he invites eight children on an epic adventure across Europe in a school bus powered by biofuel. Their mission is to better understand the planet’s predicament, explore solutions and, most importantly, take the conversation from the streets, into the boardrooms of some of the world’s largest polluters and influential companies.

Daniel Flynn

Co-Founder & CEO, thankyou

Website | LinkedIn

  • Determined and resourceful, Daniel Flynn is the co-founder and managing director of one of Australia’s most successful startups, Thankyou.

    He co-founded Thankyou at the age of 19, and today 12 years later, Thankyou’s products are stocked by major retailers in Australia, with every product contributing to helping end global poverty. To date, Thankyou has raised over $17 million to impact the lives of people across 22 countries.

    Daniel is also the author of best-selling book Chapter One, a story that generated $1.4 million in sales in its first month using an unorthodox ‘pay-what-you-want’ model. He is known for his disruptive marketing and has received widespread media coverage for some truly unconventional and highly successful campaigns that led to Thankyou products being stocked by some of Australia’s biggest retailers.

    Daniel’s achievements as an entrepreneur have also been widely celebrated. In 2014, he was named an honoree in JCI’s Ten Outstanding Young People of the World, and in 2015 Daniel won EY Entrepreneur of the Year (for the Southern Region). In 2016 Daniel was named in the Forbes Asia 30 Under 30 for Social Entrepreneurship.

ARIELLE GAMBLE

CEO, Groundswell

Website | LinkedIn

  • Arielle founded Groundswell with a clear vision: to build a nationwide community committed to funding effective climate solutions, ensuring a safer and more sustainable future. Under her leadership, Groundswell has become a key player in mobilising resources and fostering collaboration across the Australian climate movement.

    Arielle is passionate about collaboration and creating space for new voices in the climate conversation. She has championed programs like Groundswell’s acclaimed climate fellowship, which has inspired bold climate action across philanthropy, business, and the arts.

    Arielle is a Fellow of Australian Progress, a TEDxSydney 2023 speaker, and a member of the Arise Leadership Circle, an initiative by ActionAid supporting women-led emergency preparedness and response across the Pacific. Her work reflects a commitment to meaningful, transformative change for communities and the planet.

 

Shaun Christie-David

Founder & CEO, Plate it Forward

Website | LinkedIn

  • Shaun Christie-David is the founder of the Plate it Forward Hospitality Group - a restaurant group providing opportunities to people who are underrepresented in the workforce. To date he has employed over 200 people from marginalised communities across his  hospitality group & kitchens including Colombo Social, Kabul Social and Kyiv Social, as well as donating over 560,000 meals to people battling food insecurity as part of his global food diplomacy movement. 

    Shaun was a driving force in the launch of the Aboriginal Health Television Network in partnership with the Australian Federal Government in 2019 – a channel dedicated to improving the health literacy of First Nations people. Shaun has been awarded accolades including the inaugural Good Food Innovator of the Year, Not for Profit Emerging Leader, Time Out's Hospitality Future Shaper, an AMP Tomorrow Maker – and in 2021, Plate it Forward was the recipient of the Community Human Rights Champion by the Australian Human Rights Commission.

Tasha Ritchie

Founder & CEO, Accountable Futures Collective  

Website | LinkedIn

  • ​​Tasha is the CEO of Accountable Futures Collective, a systems change initiative seeking to redefine and embed youth-driven accountability in the systems, organisations, institutions and change processes that young people rely on. Tasha knows that the systems and services young people must engage with are inequitable, are causing harm and are not accountable to those they serve, and is committed to moving beyond just listening to young people’s voices. 

    Tasha trained as a lawyer before moving to work with community and support young people to shape social change. Tasha holds a number of Board Director positions and is excited by the magic that can happen when different knowledges, lived and learned experiences come together.

    Tasha’s past experiences have taught her that accountability to young people is a powerful idea with potential as a pathway for healing, and profound, transformational impact on existing systems and structures.

Corey Tutt OAM

CEO, Deadlyscience

Website | LinkedIn

  • When Corey Tutt OAM learned that there was a remote school with only 15 books in the whole library (5 of which were dictionaries) he set out to make change. To date, DeadlyScience has provided over 25,000 culturally appropriate books focused on STEM (Science, Technology, Engineering and Mathematics) as well as telescopes, microscopes and other equipment to spark student interest.

    Schools involved with DeadlyScience have reported a 25% increase in engagement in STEM and increased attendance. Now DeadlyScience has connected with over 800 schools and sent over 7500 boxes of STEM resources.

    DeadlyScience has connected STEM professionals with schools and has now created STEM pathways programs for students. DeadlyScience was the first Indigenous org to feature on the side of the Mclaren Formula one car and has drawn the attention of Formula one superstar Lewis Hamilton.

    As a board member of Seed mob Corey has been leading the fight for climate justice for Indigenous peoples across the Nation. Corey was instrumental in developing Science Technology Australia’s first RAP to further encourage participation and inclusion of First Nations peoples in STEM.

    Corey’s passion for Indigenous education has also been recognised through various awards including the CSIRO Indigenous STEM Champion 2019; AMP Tomorrow Maker 2019 and ABC Trailblazer 2019, 2021 Eureka Prize winner for STEM inclusion.

    Outside of his work in STEM Corey has become a highly successful author publishing bestselling and multi award winning book ‘The First Scientists’ and also his latest book, ‘This Book Thinks Ya Deadly’ which celebrates over 70 Aboriginal and Torres Strait Islander peoples.

    Corey recently was appointed an Associate Professor of Indigenous Sciences at the University of Western Sydney.

Dr Paul Liknaitzky

Head, Clinical Psychedelic Lab, Dept Psychiatry, Monash University

Website | LinkedIn

  • Dr Paul Liknaitzky is Head of the Clinical Psychedelic Lab, and Senior Research Fellow within the Dept of Psychiatry at Monash University. He has played a central role in establishing the field of clinical psychedelic research in Australia, and is the Principal Investigator on a program of psychedelic trials. Liknaitzky leads the country’s largest and most experienced group of psychedelic researchers and clinicians, and collaborates with numerous psychedelic groups nationally and internationally.

    In Australia, Liknaitzky established the first psychedelic lab, coordinated the first applied psychedelic therapist training program, obtained the first industry funding for psychedelic research, and co-convenes the Australasian Research Group on Psychedelic Science. Together with clinical and industry colleagues, he co-founded Australia’s first purpose-built psychedelic-assisted therapy clinic.

    Liknaitzky’s work is focused on investigating novel applications for psychedelic therapies, translating evidence into best clinical practice, exploring under-examined risks, delivering next-generation therapist training, and improving access and affordability.

 

Pete Horsley

Founder, Remarkable

Website | LinkedIn

  • Pete is the Founder of Remarkable, the global startup venture arm, made possible by Cerebral Palsy Alliance. He is dedicated to utilizing technological innovation to create a more accessible, inclusive, and equitable world. As a catalyst for global change in disability inclusion, Pete is also a co-founder of the +N Inclusive Innovation Network. With over 18 years of experience in the disability sector, he started his career as a landscape architect and believes in the transformative power of design, innovation and people to create a better world.

Eloise Hall

Managing Director, TABOO Period Products

Website | LinkedIn

  • Eloise is the Co-founder and Managing Director of TABOO Period Products, a social enterprise selling organic and ethically sourced period products with all company profits committed to ending period poverty. She is personally committed to making long-lasting, structural changes to bridge the inequality that exists in our communities. Eloise has received several awards for her work including EY Impact Entrepreneur of the Year 2023, Westpac Social Change Fellowship 2023, The Advertiser’s 2021 Woman of Year Rising Star Award and InDaily’s 40 under 40. Eloise has served on several advisory boards and was most recently the Chair of the South Australian Social Enterprise Council.

Peter Baldwin

Policy Research Manager and Senior Research Fellow, Black Dog Institute

Website | LinkedIn

  • Peter is an academic clinical psychologist who leads the policy research team at the Black Dog Institute. Peter and his team study diverse topics like workforce retention, data management, and the social determinants of health to help Australian policymakers improve our mental health system. Peter also works in private practice, focusing on anxiety and trauma.

Anita Toy

Executive Director, Myriad Australia

Website | LinkedIn

  • Anita Toy is an experienced community investment professional with extensive experience working in domestic and international philanthropy. She spent over a decade in corporate before transitioning to the not-for-profit sector. She joined Give2Asia (USA) in 2017 as a Country Advisor connecting international donors and philanthropists to charitable causes in Australia and New Zealand.

    Anita is the inaugural Executive Director of Myriad Australia (formerly known as Give2Asia Australia), the current Steering Committee Chair of Myriad, the Alliance for borderless giving - dedicated to unlocking the full potential of international philanthropy and Steering Committee Chair of the Asia Pacific Giving Network.

 

Amy Coetzee

Senior Partnerships Advisor, Minderoo Foundation

Website | LinkedIn

  • Amy Coetzee is a Senior Partnerships Advisor at the Minderoo Foundation, Australia’s largest philanthropic organisation. She supports Minderoo’s partnerships around gender equality and impact missions, and champions a gender lens into Minderoo’s vision of being an effective philanthropy. Her philosophy is that effective philanthropy is feminist philanthropy.

    Amy advocates for Australian philanthropy learning from international best practice and believes in the power of "ubuntu" from her homeland of South Africa, which emphasises interconnected well-being, and the responsibility we have as global citizens to each other and the planet.

    Prior to Minderoo, she was based at the OECD in Paris where she served as Deputy Secretary-General Knudsen’s Advisor, who among his extensive portfolio was also the OECD's Gender & Diversity Champion. Amy was the first female CEO of Global Voices, an Australian youth-led non-profit that aims to upskill and develop the next generation of leaders to contribute to domestic and global decision-making. In this role, she led multiple delegations to the World Bank & IMF, OECD, World Trade Organization, and UN.

    Amy has worked across civil society, government, and academia in Australia, including at the Australian Government Department of Social Services, CEOs for Gender Equity, and the University of Western Australia. She has previously volunteered extensively with UN Youth Australia, the Oaktree Foundation, Vision Generation, and the Global Poverty Project (now Global Citizen).

    She holds a Master's Degree in Public Policy & Management from the University of Melbourne, and the University of North Carolina at Chapel Hill, and a Bachelor of Arts (Hons) in International Relations and French from the University of Western Australia. She has pursued her studies and international career across New Caledonia, the Netherlands, Peru, France, and the United States.

Nicole Dyson

Chief Executive Officer / Founder, Future Anything

Website | LinkedIn

  • An experienced former school leader within the public education system in Australia, Nicole Dyson is the founder of Future Anything, an award-winning education provider that works with 25000+ young people (and their educators) each year, YouthX, Australia's only startup accelerator program for school-aged entrepreneurs, and Catapult Cards, a design thinking toolkit for classrooms and corporates that donates 50% of its profits back to providing micro-grants for youth-led startups.

    Nicole is a 2024 Obama Foundation Leader (Asia Pacific), a 2023 Snow Entrepreneur, has been recognised twice (in 2023 and 2024) in The Educator's "Most Influential" list and was listed in the inaugural 40 Under 40 for Queensland in 2023 winning the 'Gamechanger Award'; recognizing a person who has "re-written the rules of business to challenge, inspire and spark significant change."

    Nicole passionately believes that youth-led ideas have the power to bend the future and supports educators, schools, and systems to design and deliver future-focused learning that unlocks young people's passion and potential.