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Guatemala Leadership

Adolfo Yarhi

Executive Director

Adolfo has over 12 years of experience in the education sector and over 30 years of experience in managing different businesses, with a strong background in finance and strategy.

He has a degree in Business Management with specialization in Finance and Marketing, holds an MBA, and a certification in Educational Leadership.

Ana Lucía Mijangos

Head of Fundraising

Ana Lucía has over 15 year of experience in Development and Fundraising in International and national NGOs. She has a BS in HR Administration from Universidad Francisco Marroquín, Postgraduate in Business Engineering and MS in Reengineering

Astrid Celada

Social Business Manager

Astrid has 10 years of work experience in sales and fundraising. She is finalizing her bachelor degree in Business Administration from the Rafael Landivar University.

Europe Leadership

Ola Plonska

Community Builder

Ola has great strength in community building, build from a range of experience in the field of Anthropology for which she has a masters.

Elsbeth Takkenberg

Fundraising Strategist

Elsbeth has over 20 years of experience in Fundraising. She has a degree in History of Art from Amsterdam University.

Non-Executive Board The Netherlands

Tim Crijns

Chair President

Tim has 10 years of experience in impact investment and law. He has a master degree in Business Administration and Strategic Management

Tony Wright

Contact person Guatemala

Tony has over 20 years of experience in Advertising and Marketing, and sits on multiple boards in this field.

Sander Wirken


Sander is a co-founder of NDG and recently obtained his PhD in International Criminal Law, specialized in Latin America.

Marten Dresen

Contact person Guatemala

Marten is a co-founder of NDG and founder of Good Group. Marten has a masters in Strategic Management from the Erasmus University Rotterdam

Annemiek Dresen

Board member

Annemiek is a co-founder of NDG and is also a founder of NewBees refugee employment insertion organization. She has a masters in Anthropology and has 10 years experience in the field.

Schools Staff Guatemala

Alejandra Gamez

Secondary School and Highschool Principal

Holley Gaskill has 10 years experience in events management and marketing. She holds a Bachelor of Business Administration (BBA) in International Business with a minor in Spanish.

Fabiola Veliz

El Porvenir School Principal

Maribeth has over 10 years experience in NGO development and sustainable funding. She holds a Bachelor of Arts in English Literature with Spanish minor from Regis University.

Marvin Minas

El Porvenir School Principal

Andrea has 4 years experience in customer development and two years in fundraising and social enterprise. She holds a Bachelors in Business Administration from Kelley University and an MBA from IE Business School.