The Harvard Gender and Sexuality Caucus is composed of more than 5,000 gay, lesbian, bisexual and transgender alumni/ae of Harvard University’s College and Graduate Schools, its faculty, staff, and current students. HGSC's purposes include:
- Building a sense of community among Harvard and Radcliffe gays, lesbians, bisexuals, and transgender people
- Maintaining and expanding a network of LGBTQ alumni/ae
- Pressing for a non-discriminatory and diverse academic, living and working environment at Harvard
- Educating others and ourselves about LGBTQ concerns and contributions
- Undertaking community service projects
- Encouraging informal coordination among LGBTQ student groups throughout the University