For the past twenty-five years, she has been active in environmental work. A Founding Teacher of the Zen Peacemaker Order, her work and practice for more than three decades has focused on engaged Buddhism. Of recent, Roshi Joan Halifax is a distinguished invited scholar to the Library of Congress and the only woman and Buddhist to be on the Advisory Council for the Tony Blair Foundation.
She is Founder and Director of the Upaya Prison Project that develops programs on meditation for prisoners. She is founder of the Ojai Foundation, was an Honorary Research Fellow at Harvard University, and has taught in many universities, monasteries, and medical centers around the world.