Ven. Young-in Sa serves as the Executive Director of the International Affairs Department at Won Buddhism Central Headquarters in South Korea, the Executive Director of the Won Buddhism UN Office, and the Vice President of the World Fellowship of Buddhists (WFB). In these roles, she leads and oversees global initiatives, particularly those engaging with the United Nations, interfaith organizations, and international Buddhist communities.

Ordained in 1990, Ven. Young-in Sa has devoted her life to serving Won Buddhist temples and meditation centers across Korea and the U.S. Grounded in the core principles of Won Buddhism, which emphasize inner peace, wisdom, and collective harmony, her work focuses on interfaith dialogue, social engagement, and global collaboration to foster the well-being of all beings.

As co-founder and co-chair of the Interfaith Coalition Conference for Global Citizens (ICCGC), she actively builds bridges between religious, civic, and academic organizations, promoting shared values of peace, solidarity, and mutual understanding. Her unwavering dedication continues to inspire efforts toward creating a more compassionate, inclusive, and harmonious world.