Sofia Kontogianni has over 10 years of experience in customer service roles, including as a Complaints Officer at Notting Hill Housing Group where she oversees the complaints process and ensures continuous learning from feedback. Prior to this, she worked as a Mentor and Team Leader at the Financial Ombudsman Service where she provided support to managers and completed quality assessments. She also has experience as an Adjudicator resolving disputes between consumers and financial institutions.