Bar Nachtailer is a data analyst with a robust background in data analysis and research. Currently employed at Upstream Security since October 2021, Bar has previously held data analyst positions at Matrix BI and participated in COVID-19 research at Unit 8200. Prior experience includes a role as a Tier 1 data analyst at TSG IT Advanced Systems Ltd. and service as an air traffic controller in the Israeli Air Force from December 2011 to December 2014. Bar Nachtailer holds a degree from Ben-Gurion University of the Negev, earned between 2016 and 2020.