All Speakers

Speaker Thomas SBERNA
Thomas SBERNA

Regional Head - Coastal and Ocean Resilience

IUCN Secretariat

With an academic background in social sciences, political philosophy & ethics, environmental economics and territorial governance as well as in corporate and project finance, Thomas is a seasoned...
Speaker Thomas VIEGAS
Thomas VIEGAS

Group Nature Lead

Aviva

Thomas Viegas is an experienced professional with deep expertise in environmental economics, finance, and policy making.  He has worked for the Bank of England, HM Treasury, the Taskforce...
Speaker Thorsten ARNDT
Thorsten ARNDT

Head of Advocacy

Programme for the Endorsement of Forest Certification Schemes PEFC Council

Thorsten Arndt is Head of Advocacy at PEFC International, which accounts for over 25% of the world’s certified production forests—more than 300 million hectares across 50+ countries. He works on PEFC...
Speaker Thri Heni Utami RADIMAN
Thri Heni Utami RADIMAN

Ministry of Marine Affairs and Fisheries - Republic of Indonesia

Thri Heni Utami RadimanThri Heni Utami Radiman is a marine conservation professional with extensive experience in Marine Protected Area (MPA) management in Indonesia. She serves as an Associate...
Speaker Tia STEVENS
Tia STEVENS

Branch Head

Australian Government. Department of Climate Change, Energy, the Environment and Water

Tia Stevens, Branch Head – Strategy and Indigenous Protected Areas Parks Australia – Department of Climate Change, Energy, the Environment and Water (DCCEEW) Tia is an experienced Senior...
Speaker Tiana ANDRIAMANANA
Tiana ANDRIAMANANA

CEO

Madagascar National Committee of IUCN

Born and raised in Madagascar, Tiana Andriamanana joined Fanamby in 2009 as the executive director's assistant and, since 2018, has led the organization as Chief Executive Officer. In a country...
Speaker Tiffany MARCELLE
Tiffany MARCELLE

Project Coordinator

Caribbean Youth Environment Network

Tiffany Marcelle is the Latin America and Caribbean Focal Point for the UNCCD Youth Caucus, where she plays a key role in shaping youth engagement on issues of land degradation, desertification, and...
Speaker Tim BADMAN
Tim BADMAN

Director, World Heritage

IUCN World Commission on Protected Areas 2021-2025

Tim Badman is Head of the World Heritage Programme at IUCN. He joined IUCN in August 2007, and was previously based in Dorset County Council (UK) as Environment Policy Manager. Between 2000-2006 he...
Speaker TIMON MCPHEARSON
TIMON MCPHEARSON

Director and Professor

New York University

Dr. Timon McPhearson is the founding director of the Urban Systems Lab, professor at NYU Environmental Studies, and author of Nature-based Solutions for Cities. Drawing on his mixed Native...
Speaker Tinne VAN DER STRAETEN
Tinne VAN DER STRAETEN

Member of Parliament

Belgian Federal Parliament

Tinne Van der Straeten is a member of the Belgian Federal Parliament. She served as Federal Energy Minister between October 2020 and January 2025.  During her term, she accelerated the energy...
Speaker Tirtha Prasad SAIKIA
Tirtha Prasad SAIKIA

Director

North-East Affected Area Development Society

Tirtha Prasad Saikia is a frontline development activist, deeply rooted in the civil society landscape with a strong foundation in grassroots experience, passion, and visionary leadership. He serves...
Speaker Tiwonge I MZUMARA-GAWA
Tiwonge I MZUMARA-GAWA

Senior Lecturer

Wildlife and Environmental Society of Malawi

Tiwonge I Mzumara-Gawa is an ornithologist, ecologist and conservation biologist by training; and an activist by passion. She is a Senior Lecturer in Ecology, in the Biological Sciences Department,...
Speaker Tobias GARSTECKI
Tobias GARSTECKI

Director of Protected Area Planning and Management

Re:wild

Tobias Garstecki supports Re:wild’s partners to manage and govern protected and conserved areas effectively. This involves facilitating the development of management strategies and plans, helping to...
Speaker Toby GIFFORD
Toby GIFFORD

Lecturer

University of the Sunshine Coast

Dr. Toby Gifford is an interdisciplinary design researcher, working at the intersection of art, science and technology. He specialises in the interdisciplinary study of sound and digital art....
Speaker Todd EDWARDS
Todd EDWARDS

Fortescue

Todd Edwards is Manager, Nature & Science at Fortescue, leading programs in baseline and post-approval biodiversity, offsets, and the company’s Biodiversity Net Positive Strategy. He has over 20...
Speaker Todd MILLER
Todd MILLER

Director of Conservation Programs

The Nature Conservancy

As the Director of Conservation Programs for The Nature Conservancy in West Virginia, Todd oversees the land protection, stewardship, forest carbon, ecosystem restoration and conservation planning...
Speaker Tom GEME
Tom GEME

Technical Advisor

Speaker Tom QUIGLEY
Tom QUIGLEY

Managing Director

Superorganism

Tom Quigley is the founder of Superorganism, a venture capital firm for tech startups that benefit biodiversity. A coral reef conservationist turned startup operator and investor, Tom has worked at...
Speaker Tommaso DEMOZZI
Tommaso DEMOZZI

Biodiversity Policy Officer

IUCN World Commission on Protected Areas 2021-2025

Tommaso Demozzi works as Biodiversity Policy Officer for the IUCN EU Representative Office and for the IUCN Centre for Policy and Law. He follows key international policy processes both at the...
Speaker Tommy Stephen GARNETT
Tommy Stephen GARNETT

Executive Director,

IUCN Commission on Education and Communication 2021-2025

West and Central Africa Regional Vice ChairTommy Garnett is a dual citizen of Ireland and Sierra Leone, with background in Agricultural and Development Economics. Following completion of post...
Tonio SCHAUB
Tonio SCHAUB

Postdoctoral researcher

Aix-Marseille University

Tonio studied (landscape) ecology at the universities of Greifswald and Potsdam in Germany. In his Master thesis at the Dutch Montagu’s Harrier Foundation and the University of Groningen (Netherlands...
Speaker Tony NELLO
Tony NELLO

Senior program coordinator Urban

IUCN Secretariat

Tony Nello is a French economist based in Costa Rica since 2013. He currently serves as Senior Programme Coordinator – Urban within IUCN’s global programme staff, leading international efforts to...
Speaker Topiltzin CONTRERAS MACBEATH
Topiltzin CONTRERAS MACBEATH

Researcher

Universidad Autónoma del Estado de Morelos

PhD from Manchester Metropolitan University (MMU), United Kingdom. For the past 40 years, has been a researcher at the Center for Biological Research of the Autonomous University of the State of...
Speaker Tori BRYAN-CARTER
Tori BRYAN-CARTER

Technical Officer

IUCN Secretariat

Tori Bryan‑Carter is a Technical Officer at the International Union for Conservation of Nature (IUCN), supporting conservation initiatives across the Caribbean. With six years of experience, she has...
Speaker Torsten THIELE
Torsten THIELE

Founder

IUCN World Commission on Protected Areas 2021-2025

Torsten Thiele is a sustainable finance and ocean governance expert and the Founder of Global Ocean Trust. He supports policy development and researches innovative Blue Finance approaches, drawing on...
Speaker TORU SASAKI
TORU SASAKI

Global Head, Senior Director, Sustainability

AZBIL CORPORATION

Mr. Sasaki graduated from the Keio University, majoring in International Trade and Country Risk Assessment. He began his career at Fuji Bank (presently known as Mizuho Bank) for a decade where he...