Warren's Bio
Warren Karlenzig, Common Current founder and president, has worked with the federal government, the State of California, major cities, and the world's largest corporations developing policy, strategy and critical operational capacities for 20 years. Current and recent clients include the US Department of State; the counties of Riverside and San Bernardino, California; a major mixed-use real estate development corporation; an educational sustainability non-profit; and a product design corporation.
Warren has appeared in media including The Wall Street Journal, CNN, CNBC, Forbes, The New York Times and The Washington Post.
The former Chief Strategy Officer of SustainLane, he planned, designed and directed both the SustainLane US City Rankings and the SustainLane Government knowledge base for sustainability best practices in state and local governments. He also led consulting engagements with the State of California focused on green city performance metrics for a pilot program being rolled out in 2008.


