Tilly Barber worked first as a lawyer for a small firm on the Mornington Peninsula across family law, criminal law and debt recovery matters. In 2008 Tilly moved to Thomsons Lawyers in Melbourne, where she worked chiefly in asbestos claims and workers compensation matters. In November 2009 Tilly moved to Slater & Gordon where she worked for more than six years as a Senior Managing Clerk in the asbestos litigation team. Tilly was responsible for preparing court documents, arranging court timetables, taking detailed instructions from clients and preparing matters for trial. She liaised extensively with expert witnesses and barristers and developed strong relationships with stakeholders across the asbestos litigation area. Tilly joined Rightside Legal in May 2016.