FOUNDER & EXECUTIVE DIRECTOR

Marcus is an Olympic bronze medalist tennis player from New Zealand with 5 ATP titles, quarterfinal appearances at both Wimbledon and the Australian Open (twice), and numerous caps for the NZ Davis Cup Team. He has been Giving Effectively since 2014. On January 4th, 2021, Marcus took the Giving What We Can pledge to donate at least 10% of his annual winnings to effective organisations for the rest of his life.
Alongside his tennis career, Marcus has completed a B.A. from Massey University in Psychology and Spanish and has been awarded the Arthur Ashe Humanitarian Award for his work with HIA, joining recipients such as Nelson Mandela and Roger Federer.

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COFOUNDER & MANAGING DIRECTOR

Hugo is a four-time Olympian and a veteran of the New Zealand Black Sticks hockey team. He was considered one of the best hockey players in the world, and vice-captained the NZ team at the Tokyo Olympics. Hugo has successfully juggled his sports and professional careers having worked in startups, consulting and banking. He also received an MBA with distinction from the Heriot-Watt Edinburgh Business School.

Hugo is High Impact Athlete #2, signing on to join Marcus as a pledger athlete. He has been giving since 2017.

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COMMUNICATIONS DIRECTOR

Cam is an awarded ex-advertising creative, working at three top 10 globally ranked agencies over a decade long career, before turning towards leading brands for social good. Cam is an HIA pledger, and came on board with the team in early 2023. Cam has completed a bachelor of product design and diploma of creative advertising at Media Design School.

Outside of helping to expand HIA’s influence, Cam holds on to his High School dream of windmill dunking the basketball - he still has a long way to go.

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TECH LEAD

Kevin is an international level 400m sprinter, coach, and HIA pledging athlete.
Off the track, Kevin has almost a decade of experience working in for-purpose organisations, ranging from health, technology, and education to food security and existential risk. Kevin has also completed a Bachelor of Science and Masters of Engineering (with Distinction) from the University of Melbourne.

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GLOBAL EXPERIENCE LEAD

From running global fitness competitions to handcrafting ceramics that feature in films, Heidi has done it all. As co-founder of Tribal Clash, she built and delivered sell-out events across four continents — leading everything from production schedules to sponsor pitches and athlete experience.

With Race for Impact, she brings that same energy and operational precision to ensure every racer, in every city, will have a world-class journey from signup to finish line. Fluent in Finnish, based in the UK, and often taking calls from her home gym, Heidi is the engine behind our global rollout.

CAMPAIGNS & PARTNERSHIPS

Nadia is an Olympian and national record holder in the triple jump, proudly representing Ghana as flag bearer at the Tokyo 2020 Olympics. In 2012, she founded a Ghana-based organization that uses sport to keep girls in school, sparking her lifelong commitment to leveraging sport for social change.

Since then, she has led impact-driven work with nonprofits like Special Olympics and the Boys & Girls Club.Nadia continues to lead high-impact initiatives centered on community empowerment and innovation in sport. Most recently, she spearheaded the strategy for a nine-figure WNBA expansion bid and remains committed to driving transformation across the sports industry. A Columbia University graduate, she is currently pursuing her MBA at Cornell University.

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PRODUCT LEAD

Paddy is a tech and ops specialist with a background spanning Uber, GiveDirectly, and more recently digital campaign tooling with Code Nation. He’s helped launch cash transfer programs across Africa and Puerto Rico, and co-led a tech agency supporting high-impact advocacy organisations.

Now based in Brisbane, Paddy is the architect behind Race for Impact’s product systems — leading growth experiments, engineering infrastructure, and building tools that enable the team to sprint.

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SOCIAL MEDIA SPECIALIST

Summer is a multi-faceted creative hailing from New Zealand. With a B.F.A from the prestigious Elam School of Fine Arts, Summer is a practising artist, art teacher and photographer.

Having dedicated over 500 hours to the practice of yoga, meditation and breath-work, she shares regular yoga classes with her community outside of content creating and copy writing copy for HIA.

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SOCIAL MEDIA SPECIALIST

Lucy is a senior creative with a background spanning Channel 4, BBC Studios, Netflix, and the award-winning agency Girl&Bear. With 15 years in media production and development, she’s worked across genre-spanning formats—from high-end documentaries and long-form series to branded shorts and live campaigns. Her experience includes everything from casting and field producing to shaping story arcs and directing edits.

At HIA and Race for Impact, Lucy is involved in creative development and storytelling, helping turn races into moments that matter.

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Jack is the founder of Ultra Philanthropy, which partners with major donors to maximize the impact of their giving. He offers bespoke advice on impact strategy and donation portfolios. Previously, he was Executive Director at One for the World, a global nonprofit focused on effective giving in extreme poverty and global health, where he oversaw over $5 million in global health grants. He was also the founding COO of School of Hard Knocks, a UK nonprofit using rugby and boxing to help individuals realize their potential. Jack has been committed to effective giving for over 10 years, taking Giving What We Can Pledge in university, and participates in Ironman triathlons, albeit slowly.

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Kara is a Senior Advisor, consulting at the intersection of impact and innovation in sport. She has advised leaders at the U.S. Olympic & Paralympic Committee, LA28, Riot Games, and two startups backed by Nike Founder Phil Knight. Previously, she was a Global Director at Visa, leading partnerships with Olympians and Paralympians. She is also an author, publishing her first book titled “Pure Grit” with co-author Lily Collison in 2021.
Kara is a big fan of effective giving through Givewell rated charities. She studied Business and Spanish at the University of Oregon. After a decade in New York and San Francisco, she currently resides in Bend, Oregon with her husband and three awesome kids.

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Luke studied medicine at Oxford University, subsequently switched to a career in finance and held a number of senior management positions at Natwest and Merrill Lynch, and became a senior partner at fund management firm Brevan Howard. He now engages full time with his philanthropic activities in parallel with pursuing his business interests. He is a keen supporter of many organisations associated with Effective Altruism. Luke has sponsored many health care initiatives in developing countries, as well as organisations safeguarding future generations. He is based in London.

Tom founded the marketing company M&C Saatchi and was appointed Chairman of the Worldwide network in 2009. Earlier in his career his airline experience included Qantas and Ansett Airlines, where he was deputy GM. He was also managing director of DDB in Melbourne. In the nonprofit space, Tom has been the Chairman of Australian Cancer research Foundation, AIME, Queenwood School, Sydney Dance Company, and sat on the Strategy and Risk Committee of Sydney University.
Tom holds a Commerce Degree (UNSW), an MBA (Stanford), and was a Resident Fellow at Harvard in 2015. In June 2015 Tom was awarded an Order of Australia by the Australian government: “For distinguished service to the not-for-profit sector, particularly to cancer research, through the development of corporate governance structures and major fundraising initiatives, to the performing arts, and to business.”

Marcus is an Olympic bronze medallist tennis player from New Zealand with 5 ATP titles, quarterfinal appearances at both Wimbledon and the Australian Open (twice), and numerous caps for the NZ Davis Cup Team. He has been Giving Effectively since 2014. On January 4th, 2021, Marcus took the Giving What We Can pledge to donate at least 10% of his annual winnings to effective organisations for the rest of his life.
Alongside his tennis career, Marcus has completed a B.A. from Massey University in Psychology and Spanish and has been awarded the Arthur Ashe Humanitarian Award for his work with HIA, joining recipients such as Nelson Mandela and Roger Federer.

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Charlie Bresler co-founded The Life You Can Save with Peter Singer, a non-profit dedicated to reducing extreme poverty and its devastating effects on over 700 million people globally, for eight years. Through his financial support and leadership, Charlie helped develop the organization from the ground up. He continues to support the organization as an involved board member. After earning a PhD in Social and Clinical Psychology from Clark University, Charlie became Director of Behavioral Medicine for The California School of Professional Psychology. He was then recruited to The Men’s Wearhouse where he ultimately became President. He stepped down in order to fulfil his long-standing desire to work directly on social and economic issues, especially wealth inequality.

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Lewis currently leads Open Philanthropy Project’s strategy for Farm Animal Welfare. Prior to joining Open Philanthropy, he worked as Policy Advisor & International Liaison to the CEO at The Humane Society of the United States (HSUS). Prior to that, he was a litigation fellow at HSUS, a law student, and an associate consultant at Bain & Company. Lewis has a B.A. from Harvard University in Social Studies and a JD from Yale Law School.

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Peter Singer has been named the world’s most influential living philosopher. He is considered one of the founders of both the effective altruism and animal rights movements, and his books The Life You Can Save and Animal Liberation continue to bring countless people into the worlds of effective giving and animal welfare respectively. Peter has taught at the University of Oxford, La Trobe University, Monash University, and since 1999 has been the Ira W. DeCamp Professor of Bioethics in the Center for Human Values at Princeton University.

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James leads Open Philanthropy Project’s program in effective altruism community building (global health and wellbeing). James spent his last 5+ years as a researcher and program officer at GiveWell, where he led the organization’s work on policy and advocacy. Before GiveWell, he worked at the Centre for Effective Altruism and as a strategy consultant at L.E.K. Consulting. He holds a B.A. in philosophy, politics and economics from Oxford University and an M.Sc. in philosophy and economics from the London School of Economics.

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Caroline is an Of Counsel for Richman Law Group, a nonprofit focusing on environmental and animal welfare issues. Caroline is also pursuing her PhD at the University of Auckland focusing on philosophy of law. Prior to returning to academia, Caroline worked in corporate law in NYC. She has also worked in the fields of criminal justice reform, family law, and done pro bono work for a farmed animal welfare non-profit. Caroline is a meditation and yoga teacher and is passionate about finding impactful ways to reduce suffering in the world - effective altruism being a powerful mechanism to do so. She holds a Masters Degree from Harvard Divinity School and a Juris Doctor from Columbia Law School.

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