Partnership to Set New Standards in Member Engagement and Digital Transformation. Teachers Federal Credit Union, one of the largest credit unions in the United States with more than $9.8 billion in assets and over 460,000 members nationwide, is proud to announce its new partnership with Filene Research Institute. Leveraging the expertise of senior leaders at Teachers, this collaboration aims to advance two of Filene’s Centers of Excellence (CoE) – “The Next Generation of Member Growth” and “Design for Digital” – with the shared goal of driving digital innovation and enhancing member engagement.