By January 2020, sustainable investment firm Generation Investment Management (Generation), founded in London in 2004, had grown from a shared vision among seven founders to a 90-person firm managing $27 billion in public and private equity. Throughout its history, Generation had worked towards its mission of seeking to generate superior financial returns by investing in sustainable companies that created long-term value. The case examines Generation’s investment process in general, and in particular with respect to a global manufacturer of agricultural equipment. It also examines some of the strategic decisions and challenges facing the firm.