Cardumen
Collective

Naomi brings nearly a decade of expertise at the intersection of biodiversity, climate and economic strategy, helping institutions and businesses turn Nature into a core strategic priority. She has worked on ecological offsetting policy implementation and biodiversity policy impact measurement for the French government, and advised companies on biodiversity footprint assessments, nature strategies and sustainability reporting frameworks at the French consultancy Utopies. Naomi has also supported the development of innovative conservation business models in Zimbabwe, analysing corporate nature investments and leveraging biodiversity finance mechanisms. She is the co-founder of Hyloco, a collective of independent experts working on biodiversity-driven strategic and economic transformation.

Guy brings 20 years’ working in the field of business and biodiversity and currently guides the work at ziranjiti a nature based solutions and advisory firm, exclusively working in service of nature Guy possesses a deep interest in primate conservation science, and the use of digital media and community-led storytelling to support effective conservation strategies.

Héliabel has over a decade of experience working at the intersection of rewilding, nature finance, and corporate sustainability. Her work spans human–wildlife coexistence initiatives in Italy and Kenya, the establishment of the biodiversity practice at the French sustainability consultancy Utopies, and the exploration of innovative finance mechanisms to support the business model of a wildlife conservancy in Zimbabwe. She is the co-founder of Hyloco, a collective of independent experts working on biodiversity-driven strategic and economic transformation. Outside her professional work, she has a particular passion for mosses.

John improves organizational performance through strategic action on finance, decarbonization strategy, natural capital (biodiversity & ecosystem services), water, agriculture and adaptation to climate change. He is an expert in natural capital accounting, valuation, Science Based Targets for nature, TNFD, GHG accounting and transition planning.

Before founding Sustainable Flows, John spent nearly 4 years at ERM and led the World Resources Institute's Business & Ecosystem Services Project where he co-authored the Corporate Ecosystem Services Review and contributed to The Guide to Corporate Ecosystem Valuation and TEEB for Business and Enterprise.

John sits on the EU A-Track Advisory Group and the Reporting Group of the Natural Asset Accounting Standards Board (NAASB). He has conducted scores of natural capital assessments for governments and corporations, advancing site, product and supply chain management while improving risk management through innovations such as linked natural capital and financial accounts.

Daniel O’Brien, RPBio, is a sustainability and nature-finance leader who advises global organizations, governments, financial institutions, and Indigenous partners on climate, biodiversity, and nature-related risk. He translates complex ecological dependencies and impacts into actionable strategies that strengthen resilience, unlock business value, and support the transition to a nature-positive economy.

With over 18 years at PwC, including as Global Nature Lead, Daniel co-founded the Centre for Nature Positive Business and helped build a global network integrating nature and climate risk into corporate strategy, governance, and disclosure. As a former member of the Taskforce on Nature-related Financial Disclosures (TNFD), he contributed to developing the global framework aligning natural and financial capital.

Trained in biology and quantitative ecology, and holding RPBio, PMP, and EMS (Lead Auditor) designations, Daniel brings scientific rigor and strategic insight to help boards and executives understand where nature creates real economic risk, and how to act on it.

Johny has 25 years of experience leading environmental, biodiversity, and community programs across Africa and Madagascar with international NGOs, consulting groups, and corporations. Founder of Madagasikara Ekôlôjia, he advocates a sustainable social and economic model centered on biodiversity.

Amy Han is the founder of the Words of a Feather, a creative writing studio in Melbourne, where she has been leading workshops and mentoring emerging writers since 2011. Beyond leading Words of a Feather, Amy is working on a young adult hope punk novel and a memoir about walking the Camino de Santiago. Her most recent novel is The Yard Sale at Story House (2024), a middle-grade fiction story exploring big life changes with a little touch of magic.

Over 15 years experience working in natural resources management, climate change and sustainability mainly in Papua New Guinea (PNG) with agencies ranging from government, NGOs, and international development. My current role is National Policy Advisor and Coordinator on Carbon Markets and REDD+ with the EU-funded Forestry, Climate Change and Biodiversity programme in PNG.

Colombian visual artist, photographer, and graphic designer focused on visual communication. Specialist in brand, editorial, information, and web design. Co-founder of El Altillo, a creative design studio founded in 2016. Lead designer in the production of several publications focused on art and culture. Her practice shows a strong interest in materials and handmade products, inspired by traditional practices and material experimentation.