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Who we are & what we do

OTT is a global consultancy and platform for change. We support and strengthen the work of research organisations, foundations, governments and others in support of better-informed decision making.

Our consultancy work focuses on developing tailored solutions to specific challenges. Through services spanning research, strategy, evaluation, learning facilitation, and organisational transformation, we partner with organisations to drive evidence-informed change.

On Think Tanks is a leading global source of information, support and community for people working in, with and funding think tanks. We create a space to connect, learn and exchange knowledge, ideas and resources.

Why we do it

We believe that progress needs better-informed decision making. We exist to build, strengthen and champion a unique community of individuals and organisations who generate, communicate, use and fund evidence on matters of public interest.

Both our consultancy and community work has public good at its heart. We are committed to gathering new knowledge and making it available to everyone. We continuously seek to drive the sector forward.

Read our story

Our funding & partners
Become a partner

At OTT, we strive to be clear and open about the sources of our funding and the entities that support our work. As we have grown as an organisation, our funding landscape has evolved, and we work with a diverse range of donors, clients, and partners.

Our consulting work is funded by clients who engage us for tailored solutions to their specific challenges. Visit our consulting services page to learn more.

Our flagship programme, On Think Tanks, is currently funded by the William & Flora Hewlett Foundation, the Robert Bosch Stiftung Foundation, and the Open Society Foundations. We are grateful for the long-term support from these funders that has enabled us to sustain and expand this work.

Partnerships are vital to this journey. We invite donors, philanthropic organisations, and individuals who share our vision for positive change to support us to continue to expand our impact. You can contribute by partnering with us through overall programme support, or by funding activities aligned with your interests and priorities.

To explore partnership opportunities, please reach out to Enrique Mendizabal, at [email protected].

Funding overview

Our people

Team

Emily Hayter

Emily Hayter

Senior Associate - Evidence Use Lead

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Emma Broadbent

Emma Broadbent

Senior Associate

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Enrique Mendizabal

Enrique Mendizabal

Founder and Director

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Estefanía Terán Valdez

Estefanía Terán Valdez

Senior Associate - Director of On Think Tanks

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Fiorella Bianchi

Fiorella Bianchi

Director of Finance and Planning

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Jessica Correa

Jessica Correa

Programme and Project Manager

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Louise Ball

Louise Ball

Director of Communications

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Marcela Morales

Marcela Morales

Associate

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Paula Martínez

Paula Martínez

Business Development Officer

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Racheal Makokha

Racheal Makokha

Research and Projects Officer

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Consultants

Alina Orrico

Alina Orrico

Consultant

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Andrea Baertl

Andrea Baertl

Consultant

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Andrea Ordoñez

Andrea Ordoñez

Associate Consultant (Southern Voice)

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Annapoorna Ravichander

Annapoorna Ravichander

Consultant

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Belissa Rojas

Belissa Rojas

Consultant

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Celia Gueto

Celia Gueto

Consultant

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Clara Richards

Clara Richards

Consultant

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Cristina Bacalso

Cristina Bacalso

Consultant

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David Gomez Alvarez

David Gomez Alvarez

Consultant

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Dena Lomofsky

Dena Lomofsky

Associate Consultant (Southern Hemisphere)

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Elias Ayuk

Elias Ayuk

Consultant

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Elizabeth Price

Elizabeth Price

Consultant

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Emmeline Henderson

Emmeline Henderson

Consultant

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Fajri Siregar

Fajri Siregar

Consultant

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Founty Fall

Founty Fall

Consultant

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Jane Lewis

Jane Lewis

Consultant

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Julie LaFrance

Julie LaFrance

Associate Consultant

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Leandro Echt

Leandro Echt

Consultant

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Linda Khumalo

Linda Khumalo

Consultant

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Linnea Mills

Linnea Mills

Consultant

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Magda Castría

Magda Castría

Consultant

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Maria José Orozco

Maria José Orozco

Consultant

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Maya Richardson

Maya Richardson

Consultant

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Michael Kleiman

Michael Kleiman

Consultant

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Minniele Nabou Tall

Minniele Nabou Tall

Consultant

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Nicolás Braguinsky Cascini

Nicolás Braguinsky Cascini

Consultant

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Busayomi Sotunde

Busayomi Sotunde

Consultant

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Orazio Bellettini

Orazio Bellettini

Consultant

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Paola Pereznieto

Paola Pereznieto

Consultant

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Patrick Stephenson

Patrick Stephenson

Consultant

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Shahira Emara

Shahira Emara

Consultant

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Simon Hearn

Simon Hearn

Associate Consultant

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Sophie Gillespie

Sophie Gillespie

Consultant

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Stephen Yeo

Stephen Yeo

Associate Consultant

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Vanesa Weyrauch

Vanesa Weyrauch

Associate Consultant

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