A team with vast experience
in the areas of technology
and sustainable development


About Us

JoinIn brings together the participation and volunteer experience and cutting edge technological knowledge of two companies into one. Brokering Solidarity and Fusion-CI both joined their indispensable and complementary qualities to create the JoinIn solution - international cooperation, partnerships building, volunteer action and sustainable development, combined with innovative App & technological solutions, collective intelligence and user experience.


Meet the people

Marco van der Ree

Co-founder and President

“It is part of our humanity to want to belong to a community, and we should make that community as big and inclusive as possible”

Marco van der Ree is a strategic, passionate and innovative leader and social entrepreneur with over 20 years of experience in the United Nations, NGOs and private sector in building partnerships, mobilizing resources, and implementing sustainable development programs/projects. He has a global and local perspective on development issues. He delivers results through building networks, innovation and connecting people and organizations.

Jose Almansa

Co-founder - Strategy Advisor

“Promoting collaborative innovation we will change the world”

Jose is a serial entrepreneur for over 18 years. He co-founded and co-managed Impact HUB Madrid and conceptualized and co-founded Loom House Madrid, co-founded FromTheBench, a developer of sports fantasy manager apps with more than 70 million users and conceptualized and co-founded Pocket University, apps for universities acquired by Banco Santander Universidades. In all start-ups he leads business strategy.

Pieter Louw


“All people can make a huge difference”

Pieter is an accomplished business director with 14 years of international experience in Sales, Marketing, New Service Development and Key Account Management in businesses that spans more than 70 countries crossing several industries.

Luis Díaz


Eric Sawyer

Corporate Development

María Rodríguez

Strategic Communications

Ana Gonsalves


Isabel Muguruza


Reyes Palomar

Social Media

Pablo Cugulliere

Quality Assurance

Hamid Yammine

Business Development

Liza Pesternikova


Rocío Viniegra

Event Management
We are change promoters working for people that want to contribute to making a change

I you are one of them,
contact us here.