Williams Investment Society | 445 followers on LinkedIn. The Williams Investment Society is a student organization that manages a portion of Washington and Lee University's endowment in equity securities. The Society's purpose is to provide students with a forum to develop their interest in investments and financial analysis by giving them the opportunity to actively manage real capital. The Society also seeks to broaden awareness of investments within the W&L community through sponsoring speakers and making the Society's presentations and operations open to the public.