Stanford Doerr School of Sustainability
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James Leape
William and Eva Price Senior Fellow at the Woods Institute for the Environment and Professor, by courtesy, of Oceans
BioJim Leape serves as co-director of the Center for Ocean Solutions and is the William and Eva Price Senior Fellow in the Stanford Woods Institute for the Environment. Through research, writing, and direct engagement with private and public sector leaders, Jim looks at how to drive large-scale systemic shifts to sustainability, with particular interest in expanding private sector leadership on sustainability globally.
Jim has four decades of conservation experience, spanning a broad range of conservation issues on every continent. From 2005 to 2014, he served as Director General of WWF International and leader of the global WWF Network, which is one of the world’s largest conservation organizations, active in more than 100 countries. In that capacity, he worked with government, business and civil society leaders on a wide range of issues, including climate change, marine conservation, forest protection, water resources management, and sustainability in global commodity markets. Before going to WWF International, Jim directed the conservation and science initiatives of the David and Lucile Packard Foundation, a leading philanthropy in the U.S. Previously, he served as executive vice president of WWF-US in Washington, D.C.; as a lawyer for the United Nations Environment Programme in Nairobi, Kenya; as a law professor; and as a litigator for the National Audubon Society and for the U.S. Department of Justice.
Jim has served on the boards of the Marine Stewardship Council, Mission 2020 and the Luc Hoffmann Institute, and on the Global Future Council for the Food Security and the Environmental Stewards Board of the World Economic Forum. From 2007 to 2017, he was a member of the China Council for International Cooperation in Environment and Development, which advises the Premier of China. He is also a Distinguished Fellow at the ClimateWorks Foundation.
Leape received an A.B. with honors from Harvard College and a J.D. with honors from Harvard Law School.
Jim serves on the boards of the Marine Stewardship Council, Mission 2020 and the Luc Hoffmann Institute, and on the Global Future Council for the Food Security and the Environmental Stewards Board of the World Economic Forum. From 2007 to 2017, he was a member of the China Council for International Cooperation in Environment and Development, which advises the Premier of China. He is also a Distinguished Fellow at the ClimateWorks Foundation.
Leape received an A.B. with honors from Harvard College and a J.D. with honors from Harvard Law School. -
Justin Leidwanger
Associate Professor of Classics and, by courtesy, of Oceans
BioJustin Leidwanger's research focuses on Mediterranean mobilities and connectivity, maritime livelihoods, and their heritage. Ships and ports are central to exploring these themes, providing evidence for the long-term dynamics that shaped coastal communities economically, socially, and politically. He is drawn to the long arc of the Roman Mediterranean, especially its temporal edges, from the emergence of Hellenistic states to the long Late Antiquity and beyond. Through a focus on diverse but co-dependent seaborne interactions that have and continue to define the Mediterranean, this work aligns critical engagement with the past, advocacy for local communities in the present, and sustainable development for the future.
Current collaborative fieldwork in Sardinia with the University of Sassari examines the socio-environmental dynamics spanning three millennia of tuna trap fisheries (tonnare). In Croatia, joint excavation with the Croatian Conservation Institute of a wreck carrying a high-ranking individual and perhaps a goldsmith around 700 CE sheds new light on the transformation of interactions at the end of antiquity (featured in National Geographic, Reuters, and elsewhere). A maritime landscape survey with Dokuz Eylül University in southwest Türkiye explores the impacts of early Hellenistic sociopolitical shifts on local economies and mobilities.
Previously, Justin co-directed investigations (2011-2015) at the Archaic through Late Antique harbors of Burgaz (“Old Knidos”) in Türkiye, and led excavations (2013-2019) of the 6th-century Marzamemi 2 “church wreck” off Sicily, which carried 100 tons of marble architectural elements. Work in Sicily continues through 3D and other analyses of the assemblage as well as immersive museum-based and other heritage initiatives that link past and present. One facet of this work mobilizes archaeology to understand the creation and circulation of plastics as maritime material assemblages, offering a new vantage point on socio-environmental systems. Another uses archaeology to foreground heritage activism through the spaces, materialities, and memories of forced and undocumented migration across these waters.
On campus, he teaches courses and advises students on topics in Hellenistic, Roman, and Late Antique archaeology, Mediterranean heritage, economies and interaction, port networks, ceramic production and exchange, archaeological theory, and Greco-Roman architecture and engineering. The Maritime Archaeology & Digital Heritage Lab (MEDLab) at the Archaeology Center serves as a fieldwork base and collaborative resource for shipwreck and harbor archaeology, digital modeling (structured light scanning, laser scanning, photogrammetry, GIS, network visualization), and pottery analysis (petrography, pXRF, computational morphological analysis, finite element method, experimental archaeology).
Author of Roman Seas: A Maritime Archaeology of Eastern Mediterranean Economies (Oxford), and editor or co-editor of various volumes, including Maritime Networks in the Ancient Mediterranean World (Cambridge), Regional Economies in Action (Vienna), and Across the Shore: Integrating Perspective on Maritime Heritage (Springer), he is currently working on two books. The first, Fluid Technologies: Innovation on the Ancient Mediterranean, examines the interdependence of maritime logistics in Greco-Roman economies, from transport amphora standardization to changes in ship design and port infrastructure. The second, The Tuna Trap, uses the distinctive practices surrounding community fisheries to shed light on the entanglement of human and non-human mobilities across central Mediterranean waters.
