Lena Ruwe is a scientist at the Physikalisch-Technische Bundesanstalt (PTB) since January 2020, following a position as a postdoctoral scientist at Bielefeld University from January 2016 to December 2019. Lena Ruwe completed a PhD in Physikalische Chemie at Bielefeld University from January 2016 to April 2018 and obtained a Master of Science in Physikalische Chemie from October 2013 to December 2015. The academic journey began with a Bachelor of Science in Chemie at Bielefeld University, pursued from October 2010 to September 2013.