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Guatemala Leadership

Julio Salazar

Country Director

Julio has over 20 years of experience in the education sector. He has successfully cofounded 3 schools and one international foundation. Julio has a bachelor degree in Industrial Engineering.

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.

Non-Executive Board USA

Holley Gaskill


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.

Maribeth Waldrep

Co-Vice President

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.

Andrea Carron

Co-Vice President

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.

Rebecca Malkin Chocron


Rebecca has over 20 years experience in corporate, international and non-profit finance and operations. She spent a sabbatical with NDG in 2017. Rebecca holds an MBA from the Haas School of Business at the University of California, Berkeley, and a Bachelor of Commerce degree from McGill University majoring in Finance and International Business.

Corinne Hone


Corinne has over 5 years of experience in volunteer and social media management. She holds a Bachelors as a Speech and Language Pathologist.

Javier Fresco

Board Member

Javier has over 8 years of experience in Financial audit and 5 years in NGO and funding for growth stage impact business. He holds a Bachelors in Business Administration and a Masters in Sustainable Development & Corporate & Responsibility from EOI, Madrid.