Katleen Ben Haj is an experienced Key Account Manager at mobile.de GmbH since August 2018, specializing in client relationship management and strategic account development. Previously, Katleen served as Key Account Sales Manager at FL First Living GmbH, contributing to the startup's focus on luxury real estate through market analysis and customer acquisition. Before this role, Katleen held positions at ImmobilienScout24, achieving significant monthly client acquisitions as Senior Inside Account Manager and enhancing growth as a Sales Consultant. Early career experience includes a sales role at Privileg Massivhaus and an assistant position at ETL Unternehmensberatung. Educational background includes a general higher education entrance qualification from Berlin Kolleg and training as a commercial clerk in office communication.