Sam Hummel, CEO, Sustainable Purchasing Leadership Council

As CEO, Sam leads SPLC’s strategy, program delivery, partnerships, and fundraising. Sam has led SPLC’s engagement with Fortune 500 corporations, government agencies, universities, and NGOs since recruiting the Council’s founding members in 2013. As a trusted advisor, Sam provides members with executive support for implementing strategic sustainable purchasing programs that drive innovative business practices throughout supply chains. In his prior role as Director of Outreach & Operations, Sam created SPLC’s membership program and created the in-person and virtual collaboration spaces that enable SPLC’s vibrant community of sustainable procurement leaders to network, share best practices, and execute projects together. Prior to his work with SPLC, Sam was instrumental in growing the Association for the Advancement of Sustainability in Higher Education (AASHE), whose Sustainability Tracking Assessment & Rating System provides guidance and recognition to institutions of higher education for sustainability leadership. Sam created and oversaw the green purchasing program for Duke University & Health System while working as the university’s Environmental Sustainability Coordinator. He got his start in responsible supply chain work in 1999 while helping Duke University develop programs to eliminate sweatshops from its licensed apparel supply chains. As an entrepreneur, Sam has experience marketing renewable energy and organic food. Sam graduated from Duke University with a degree in Computer Science.

Robert Stumberg, Professor, Harrison Law Institute

Robert Stumberg is Professor of Law and Director, Harrison Institute for Public Law, Georgetown University Law Center. The Harrison Institute is a legal service and education program of Georgetown Law. Robert’s past positions include policy director at the Center for Policy Alternatives and legislative counsel for Montgomery County, MD. He has 40 years of experience in human rights, procurement, international trade and investment, climate adaptation, community food systems, economic development, and housing policy. His recent publications include Turning a Blind Eye? Respecting Human Rights in Government Purchasing (International Corporate Accountability Roundtable, 2015), Safeguards for Tobacco Control, 39 Am. J. Law & Med. 382 (2013); and The WTO, Services and the Environment, in Handbook on Trade and the Environment (2008). BA with honors, Macalester College; JD, Georgetown University; LLM Georgetown University.