Hortense is a recognized Advocate of the High Court and was admitted to the Bar in March 2015 upon achieving her Post Graduate Diploma in Law from the Kenya School of Law. She was a Senior Caseworker at the Resettlement Support Centre (RSC) and also previously worked as a Legal assistant for Enonda, Makoloo, Makori & Co. Advocates and as a Program Associate for the Kenya Human Rights Commission.