About Us

We are passionate about data, and we want you to be passionate as well

Rosanne Kruithof
Rosanne Kruithof

Rosanne loves helping people understand complex concepts. She has a background in educational technology and is currently focused on developing visualizations and web apps. She enjoys combining psychology, design, and code to create digital experiences that are insightful and engaging.

Samantha Pinos
Samantha Pinos

Samantha has a lifelong love for all things tech and identifies herself as a resourceful and creative person. In her role as a Web and Data Visualization Developer, she thoroughly enjoys tackling challenging problems and using code to build products that are both functional and aesthetic.

Pere Rovira
Pere Rovira

Pere founded OneTandem to do what he likes the most: helping companies, organizations and people transform data into knowledge. He has more than 15 years of experience in the data field, working with all kinds of clients and teaching at universities and conferences around the world.

Laura Marino
Laura Marino

Laura has been working on data analysis projects for over 10 years, and her education and interest in communication lead her to combine both disciplines. This way, she does what she loves the most: translating complex information into engaging and accessible stories for all kinds of audiences.

Víctor Pascual
Víctor Pascual

Victor has been working on data visualization for more than 10 years, both in research and consulting projects. He holds a PhD in Computer Science and Digital Communication from the Universitat Pompeu Fabra in Barcelona. He teaches data visualization at several universities and institutions.

Germinal Camps
Germinal Camps

Germinal is passionate about programming and design, and has more than 20 years experience in building high-end web apps and services. He is a Telecommunication Engineer and masters degree in Product Design, and loves the intersection between art, technology, design and UX.

Maria Padilla
Maria Padilla

Maria is passionate about solving puzzles. With a background in science teaching, she enjoys helping people understand complex issues. This passion drives her to develop web apps that bring data to life, managing the information effectively and uncovering its hidden insights.

Silvia Rull Giol
Silvia Rull Giol

Silvia has extensive experience in the business sector, and focuses on enhancing administrative efficiency. She contributes to documentary operations by facilitating, managing, and supervising the necessary documentation for contracts with clients, suppliers, and employees. Additionally, she coordinates with departments on all legal, fiscal, labor, and accounting aspects, providing a comprehensive perspective that encompasses financial control.