Moy Eng serves as Program Director of the Performing Arts Program at The William and Flora Hewlett Foundation, one of the largest foundation-funding programs for the arts in California. Under her leadership, the program has focused on providing more aesthetically-diverse opportunities for engagement in the arts, creating affordable permanent performing arts spaces in the San Francisco Bay Area region, and increasing opportunities for standards-based arts education for schoolchildren in California. The latter effort is conducted in collaboration with the Hewlett Foundation's Education program.

Prior to her appointment at the Hewlett Foundation, Moy amassed over two decades of experience in the nonprofit sector, working in arts and culture, immigrant rights, international human rights, lesbian and gay rights, and renewable energy fields. She has served on a number of national committees encompassing human rights, environmental and arts issues, including serving as the Co-chair of the 2007 Arts Education Conference, a Grantmakers for Education and Grantmakers in the Arts collaboration. She is also on the national advisory committee of The Dana Foundation's Transforming Arts Teaching initiative.

Moy has taught at New York University and the State University of New York at Purchase, and lectured at numerous national, regional and state conferences on grantmaking, organizational development and fundraising. In 2003, Moy received awards in recognition for her exemplary work in the arts from the California Arts Council and Americans for the Arts.