Our People

We are a team of smart, strategic, driven people spread all around the world. We believe that a diverse, equitable, inclusive, and collaborative group of people bring a variety of approaches to the work we do.

Olivia Langhoff

Interim Executive Director

Olivia Langhoff grew up in Germany and worked in South Africa, UK, and Switzerland before settling in the Netherlands. Her experience as a campaigner and activist spans over three decades and on issues connected to human rights, environmental protection and the climate crisis – combining accurate strategic vision and intentional transversality on 350's leadership.

Nama Chowdhary

Head of Public Engagement

Namrata (Nama) Chowdhary is an experienced advocacy strategist, systems thinker, and facilitator. Born in India, she currently lives in the UK and has spent over two decades telling powerful stories, and bringing people together to form strong alliances around intersecting environmental and social justice causes. Leading 350.org's Public Engagement department with a human-centered approach, Nama loves that her designation abbreviates as 'HoPE'.

Rob Saunders

Head of Operations

For more than two decades helping civil society organizations to strategically manage their resources, Rob Saunders has built his long-standing path as activist through his work with humanitarian non-profits. He is based in the UK, and leads 350.org's department responsible for organizational health and security.

Savio Carvalho

Head of Regions

Savio Carvalho, originally from India and currently living in the Netherlands, has worked with human rights, development and campaigning organizations for over two decades and across several countries in four continents. His belief that climate justice is a basic human right translates into his leadership over 350.org's department responsible for aligning and empowering our local work across the globe.

Sonia Kwami

Head of Campaigning and Organizing

Sonia Kwami matches her passion for movement building with an extensive background in campaigning at local and global levels. Based in Ghana and with over two decades of experience supporting teams in more than 60 countries, especially in the Global South, she leverages her strong leadership skills to steer 350.org's teams responsible for training, network and partnership building, and global online and offline campaigning.

Our Regional Teams

Africa

Landry Ninteretse

Africa Managing Director

Tshepo Peele

Organiser

Rukiya Khamis

Africa Regional Organiser

Christian Hounkannou

Field Organiser

Alia Kajee

South Africa Campaigner

Tumi Masipa

South Africa Digital and Communications Specialist

Busi Zasekhaya

Climate Justice Coalition Coordinator

Mamadou Tiam

Africa Digital and Communications Specialist

Zaki Mamdoo

StopEACOP Campaign Coordinator

Anna Amar

Africa Francophone Communications Coordinator

Lynn Kamande

Africa Regional Organiser

Lutfiya Wanjiru

Africa Digital Campaign Manager

Asia and Turkey

Liangyi Chang

Asia Managing Director

Chuck Baclagon

Asia Regional Finance Campaigner

Irfan Toni Herlambang

Asia Digital Manager

UG Tanaka

Japan Digital Campaigner

Hinako Arao

Japan Team Leader

Sisilia Nurmala Dewi

Indonesia Team Leader

Norly Mercado

Asia Regional Director

Dian Paramita

Indonesia Digital Organiser

Risa Iizuka

Japan Organiser

Masayoshi Iyoda

Japan Campaigner

Joey Sta. Isabel

Asia Senior Regional Organising Specialist

Suriadi Darmoko

Indonesia Field Organizer

Jann Javie Barcinal

Asia Regional Digital Organizer

Jeri Kusuma Asmoro

Indonesia Digital Campaigner

Ilang-Ilang Quijano

Asia Communications Manager

Europe

Nicolò Wojewoda

Europe Managing Director

Tine Langkamp

Senior Germany Organiser and Campaigner

Kate Cahoon

Team Lead Germany

Tommy Vickerstaff

UK Team Leader

Matilda Borgstrom

Senior Digital Campaign Specialist - Europe & UK

Kennedy Walker

UK Organiser

Laura Brown

Senior Digital Engagement Specialist

Lisa Rose

Associate Director for Communication and Digital Engagement (Europe)

Soraya Fettih

France Campaigner

Fanny Petitbon

France Team Leader

Latin America

Livia Lie

Digital Campaign Associate

Amira Odeh

Caribbean Senior Organizer Specialist

Luiz Afonso Rosario

Climate Defender Organiser

Ilan Zugman

Latin America Managing Director

Helena Mullenbach Martinez

Latin America Regional Organizer

Carolina Avila

Regional Digital Communications Specialist

María Victoria Emanuelli

Latin America Lead Campaigner

Luti Guedes

Brazil Senior Campaign Coordinator

North America

Atiya Jaffar

Canada Campaigns Manager

Amara Possian

Canada Team Lead

Emma Jackson

Canada Senior Organizing Specialist

Chris Gusen

Canada Senior Digital & Communications Specialist

JL Andrepont

Senior Policy Analyst

Nico Udu-gama

US Partnerships Coordinator

Taylor Smith-Hams

US Senior Organiser

Jill MacIntyre

Canada Organizer

Johanna Lewis

Canada Senior Organizing Specialist

Jeff Ordower

North America Director

Mel Smith

US Communications Manager

Lila Kohrman-Glaser

350 USA Network Manager

Yaniliz Rosario

US Senior Organizer

Candice Fortin

US Campaign Manager

Katrina Riley

U.S. Senior Digital Campaigner

Heidi Hoechst

US Team Lead

Pacific

Jacynta Fa'amau

Pacific Regional Campaign Specialist

Drue Slatter

Pacific Communications Manager

George Guivalu Nacewa

Pacific Organiser

Wilfred Wendt

Pacific Digital Organiser

Joseph Zane Sikulu

Pacific Managing Director

Our Global Support Teams

Executive Support

May Boeve

Executive Director

Natasha Cherry

Executive Assistant

Jana Kurtz

Executive Assistant to the Executive Director

Kelly Abagat

Senior Admin Coordinator

Communications

Débora Gastal

Associate Director, Editorial & Languages

Kim Bryan

Associate Director, Global Communications

Sarah Wilbore

Global Communications Director

Hugo Duchesne

Associate Director, Multimedia & Design

Kara Werner

Senior Evaluation & Administrative Specialist

Mark Raven

Europe Communications Manager

Kathleen Lei Limayo

Video Producer (Asia + Pacific)

Nona Hurkmans

Global Digital Content Strategist

Jaq Evans

Associate Director, Social Media & Engagement Strategy

Christine Malata

Languages and Editorial Senior Coordinator

Lully Duque

Design Specialist

Aube Giroux

Senior Video Producer (North + Latin America)

Daniel Teo

Senior Digital Content Producer

Betsy Bevis

Global Digital Engagement Strategist

Hermione Berendt

Digital Content Creator

Mariana Abdalla

Senior Global Communications Specialist

Pascale Hunt

Global Senior Communications Specialist

Mallika Singhal

Languages and Editorial Senior Coordinator

Diren Naidoo

Design Specialist

Alejandra Calle Hernandez

Senior Engagement Analyst

Campaigns and Digital Campaigns

Clémence Dubois

Associate Director of Global Campaigns

Cansin Leylim

Associate Director Global Campaigns

Monica Davies

Digital Organising Manager

Julia Krzyszkowska

Deputy Director, Digital Campaigning & Organising

Jenny Tuazon

Senior Global Digital Campaign Specialist

Agnes Hall

Campaigns Director

Bianca Marquez

Associate Director of Digital Fundraising

Maria Roper

Senior Digital Fundraising Specialist

Funda Görür

Support Services and Engagement Specialist

Ellie May

Global Digital Campaigner

Andreas Sieber

Policy and Campaigns Associate Director

Wanda Borter

Senior Digital Fundraiser

Deborah Wong

Global Digital Campaigner

Ajaya Haikerwal

Global Digital Campaigner

Emma Gibson

Associate Director: Global Clean Energy Network

Finance and Operations

Sandi Mhambi

Finance and Operations Manager

Randhir Singh

Senior Accounting Specialist

Samkelisiwe Shongwe

Global Finance and Operations Specialist

Rushina Vipani

Finance Director

Smiso Hlongwa

Senior Accounts Payable Specialist

Lois Murphy

Accounting Specialist

Susan Shikuku

Senior Accounts Payable Specialist

Lois Murphy

Accounting Specialist

Fundraising

Carly Brownell

Mid-Level Fundraising Officer

Christine Kirkley

Corporate and Family Foundations Officer

Becca Brown

Institutional Foundations Manager

Irina Tavera

Senior Grants Specialist

Cynthia Lee

Fundraising Assistant

Movement Support

Will Bates

Deputy Organising Director

Nicolas Haeringer

Associate Director Movement Partnerships

Bridget Burrows

Movement Support Director

Beatrice Tulagan

Associate Director Network Development

Martha Myers-Lowe

Senior Global Organiser

Shenna Sanchez

Associate Director - Global Training

Marcel Taminato

Strategic Alliance Lead

Organisational Development

Katy Cashman

Organisational Development Manager

Dawn Betteridge

Director of Strategy and Integrated Learning

Marina Oro

Senior JEDI Specialist

People and Culture

Sarah Gitau

Senior Global HR Generalist

Karen Benson

Global HR Associate

Florian Rudolph

Global Director of Human Resources

Miti Rajkotia

Senior Global HR Generalist

Product

Jase Roberts

Associate Director of Analytics and Data Science

Dee Paje

Senior Campaign Product Specialist

Bibhu Tamrakar

CRM Associate Director

Sherezz Grant

Senior Software Developer

Rachel Hubbard

Associate Director - Campaign Products

Benson Imoh

Associate Director of Engineering

James Draper

Frontend Developer

Emily Boytinck

Senior Data Specialist

Aida Mekonnen

Senior CRM Specialist

David Cole

Global Director of Product

Regional Leadership

Fenton Lutunatabua

Deputy Head of Regions

Risk & Security, Information Technology

Ndlhoko Zitha

Global Systems and Operations Specialist

Gillian Lazonby

General Counsel

Rashmi Mistry

Board Chair


Rashmi is a campaign strategist who has been involved in the climate movement for over 15 years and is now a co-founder at a participatory design collective Better by Codesign working with partners on climate, human rights and new economy.

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China Brotsky

Vice Chair and Treasurer


China Brotsky is an active leader in the global social justice movement who uses her skills in finance, operations and governance to support organizations in the environmental justice, climate, anti-corporate power and immigrant rights movements. She served most recently as a senior leader at SumOfUs, a global online corporate accountability organization.

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Daniela Costa

Secretary


Daniela Costa is based in Sao Paulo. Daniela Pais Costa is currently the Americas Senior Development Manager at Greenpeace International. She has over 15 years of experience advancing human rights and social justice at the global, regional and national level. She was part of and led one of the most pioneering organizational changes in the development sector at the time: the internationalization of ActionAid and later on, she led the transition of multi-affiliated Oxfam to one Oxfam in the Southern Africa region.

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Chibeze Ezekiel


Chibeze is the coordinator of the Strategic Youth Network for Development (SYND), which convenes the Youth in Natural Resources and Environmental Governance (Youth-NREG) Platform in Ghana. He is a certified Youth Master Trainer on Climate Change and an appointed National SDGs Champion by CARE Denmark. He is also a co-founder of 350 Ghana Reducing our Carbon (G-ROC), the local chapter of 350.org. He has significant experience in promoting youth inclusion in the governance of the natural resources and environmental sector.

Ellen Sprenger


Ellen Sprenger is a strategist and advocate for social and climate justice. Since 2004, she has been the founder and CEO of Spring. She is a believer — especially in human potential and our collective ability to solve the problems of our time. She is a curious and creative optimist, an espresso enthusiast and avid meditator. Her areas of expertise include multi-actor conference facilitation, future-scenario development, strengthening financial innovation and resilience for justice organizations globally, and executive coaching.

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Jessy Tolkan


Currently focused on shifting the auto-industry in a more sustainable direction, Jessy has spent the last decade as a movement leader working to build progressive change. She recently served as Citizen Engagement Laboratory’s Co-Executive Director. She was a Senior Fellow with the New Organizing Institute consulting on progressive infrastructure building, the 2012 youth vote, and next steps for the climate & energy sector. Before switching her attention to the progressive movement at large, Jessy was the Executive Director for the Energy Action Coalition.

KC Golden


KC is an active leader in the national climate movement in the USA and served as Board Chair for 350 from 2015 through 2020. He has also been active in the utility industry, helping Seattle City Light become the first major carbon-free electric utility in the late 1990s. He has campaigned for energy solutions and climate justice at the state and local levels in the Northwest US, and served as Energy Policy Director for the State of Washington.

Pooven Moodley


Pooven Moodley is an international human rights and environmental lawyer from South Africa and a social justice activist. During the past five years he was the Executive Director of Natural Justice, a human rights and environmental justice non-profit law firm, representing indigenous and local communities across Africa in their struggles to stop the violation of rights and the destruction of their territories of life. Before joining Natural Justice, Pooven was the International Head of Campaigns for ActionAid and Country Director for Oxfam Great Britain in South Africa.

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Terry Odendahl


Terry has spent more than 50 years bridging the gap between our natural and human worlds. She is the retired President and CEO of Global Greengrants Fund, where she served for over a decade. An anthropologist by training, Terry has held faculty positions at Georgetown University’s Public Policy Institute; the University of California, San Diego; and Yale University. She is the author or editor of four books: Charity Begins at Home: Generosity and Self-Interest Among the Philanthropic Elite; America’s Wealthy and the Future of Foundations; Women and Power in the Nonprofit Sector; and Career Patterns in Philanthropy.

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Yeb Saño


Yeb Madla Saño is a climate justice activist from The Philippines and currently serves as the Executive Director of Greenpeace Southeast Asia. He is also the Vice-Chair of the Board of the Laudato Si’ Movement (the Global Catholic Climate Movement). Previously, he was Commissioner of the Philippines’ Climate Change Commission, the country’s lead policy-making government body on climate change. Yeb was the Philippines’ chief negotiator in the United Nations Framework Convention on Climate Change (UNFCCC) and was widely known for championing climate justice in the climate negotiations.

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Emeritus

Bill McKibben


Bill is Founder and Senior Advisor at 350.org and is the Schumann Distinguished Professor in Residence at Middlebury College in Vermont. He is a 2014 recipient of the Right Livelihood Prize, sometimes called the 'alternative Nobel' and is a founding fellow of the Sanders Institute. Bill has written a dozen books about the environment, including his first, The End of Nature, published 25 years ago, and his most recent, Falter: Has the Human Game Begun to Play Itself Out?

Our Team is growing

Come join us on the journey to make work meaningful. See open roles on our Careers page.

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