Andreas is a data enthusiast with over 13 years of experience in international development. As a survey expert, he collaborates with national statistical offices and international organizations, providing advice and training on the design, implementation, and quality assurance of surveys. He is also a co-founder of rowsquared, a data consultancy firm that integrates data science methods into the international development sector. At rowsquared, Andreas leads the design of data processes, tools and visualizations.