Witnesses in Action Witnesses to Hunger is a registered trademark of Drexel University. Use of the program's name, materials and images must be approved by the Center of Hunger-Free Communities and Drexel University. A key element of the Witnesses to Hunger program is empowering members to speak up and advocate for important issues in their community. Witnesses take action by speaking with policy makers at Witness to Hunger exhibits, but they also: Provide testimony at hearings of state and federal law makers Participate in community rallies Write letters to local and national lawmakers Give interviews with local and national media Participate in campaigns for change via social media and in person Have one-one conversations with decision-makers View the archived blog site of Witnesses to Hunger.