Madelein joined Oosthuizen Marais & Pretorius Attorneys on 2 April 2001 and is the personal assistant to senior associate, Mr. Japie Kruger, in the high court litigation department. Madelein is a veteran who also served under the late Mr. Bertus du Toit and takes care of all matters from municipal- and family law to liquidations and sequestrations. Off the clock her hobbies include reading, walking, baking, and knitting.