Johanna Ludwig is a skilled Fachplanerin Verfahrenstechnik in Klärwerken at Berliner Wasserbetriebe since September 2021, bringing extensive experience in sustainable water treatment as Co-Founder and CTO at akvola Technologies GmbH from October 2012 to August 2021. Previous roles include Research Assistant at Technische Universität Berlin, focusing on process design and experimental setups from January 2011 to September 2012, and an intern position at Kompetenzzentrum Wasser Berlin working on a tertiary water treatment project. Early career experience includes an internship at Berliner Wasserbetriebe, where essential skills in metal processing at sewage treatment plants were gained. Johanna Ludwig holds a Diplom-Ingenieur in Chemical and Energy Engineering from Technische Universität Berlin and an Abitur from Evangelisches Gymnasium zum Grauen Kloster.