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Warren Karlenzig

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Senior Sustainability Expert, founder and president of Common Current, based in San Anselmo, USA

Warren Karlenzig is a catalyst in smart city sustainability planning, policy and technology, with deep global experience in public-private partnerships. For 25+ years he has led innovative urban sustainability policy, performance metrics , Big Data and portal strategies for energy, building, water, air and infrastructure sectors. 

Warren has led development of new policy (e.g., the original San Francisco Municipal Green Building Ordinance), standards, development projects and applied technologies while facilitating cross-sector collaboration with the United Nations, the World Bank, Japan Ministry of Foreign Affairs, US White House and Department of State, Aclima, Google, Chevron, Autodesk, SOM (Skidmore, Owings & Merrill), Germany's Fraunhofer Institute, the Packard Foundation, Lawrence Berkeley National Laboratories, the State Council of China, and the municipalities of Beijing, Guangzhou and Los Angeles. 

He is an accomplished author and public speaker. He has presented to the European Union in Brussels, China's national leadership in Zhongnanhai, Beijing, and has presented with United Nations Secretary General Ban Ki-Moon in South Korea. See TEDx talk "Collective Intelligence: Cities as Global Sustainability Solutions Platform" http://bit.ly/STGhA6

He has a Master's degree from Naropa University, an undergraduate degree from University of Illinois at Urbana-Champaign, and published or lectured at Cambridge University, University of Pennsylvania, University of California-Berkeley, Stanford University, Seoul National University, and University of Chicago Booth School, among others.

He is author of the largest US city sustainability benchmarking study "How Green is Your City?" (New Society, 2007); chapter author in "Rethinking Modernism and the Built Environment" (Cambridge Scholars, 2017); "Growing Greener Cities: Urban Sustainability in the 21st Century" (University of Pennsylvania, 2008); and the Wilson Center for International Scholars (2013) journal author.