ZipRecruiter
Sergio Villar Vallenas is a Data Scientist at ZipRecruiter since March 2021, with prior experience as a Teaching Assistant and Graduate Research Assistant at Boston University from July 2016 to December 2019, where responsibilities included delivering lectures, preparing course materials, grading, and assisting faculty with data analysis for academic publications. Earlier roles included Research Coordinator and Summer Research Intern at Columbia Business School, where contributions involved data analysis and visualization for various Macroeconomics research projects and a study on soccer play styles, respectively. Sergio holds a PhD in Economics from Boston University (2015-2021) and a BA in Economics/Mathematics from Columbia University (2009-2013), along with an International Baccalaureate from the International School of Geneva.