Henderson began her work in social justice through the foster care system in Southern California, having been raised with seven older foster brothers. Through mentoring, tutoring, and directing Foster Youth Empowerment Workshops, she developed her passion for youth leadership development among communities of color.
She later shifted into sustainability, developing course curriculum for the University of California system and advocating across the state for environmental justice and political ecology.
She has worked at Green for All fighting for a green economy strong enough to lift people out of poverty. She was also a part of Slow Food USA in Brooklyn, NY. In 2009, Nikki co-founded Live Real, a national collaborative of food movement organizations committed to strengthening and expanding the youth food movement in the United States. In 2010, Nikki was featured in ELLE magazine as one of the five Gold Awardees.
She has a Master’s degree in African American Studies from UCLA, and is originally from Los Angeles, CA. (People's Grocery)