Ruth Stringer is the International Science and Policy Coordinator for Health Care Without Harm. She has been working with Health Care Without Harm for over ten years, coordinating work on waste, but also providing expertise on chemicals, pharmaceuticals and procurement. She is a member of the International Solid Waste Association healthcare waste working group, a technical advisor to the Africa Healthcare Waste Management project that HCWH is leading with UNDP and WHO and advises on waste management policies internationally.