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 devised, 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 successful pilot program.

As Lead Strategist for Dimension Data/ Proxicom, Warren led executive-level strategy engagements for clients including General Electric and Chevron. His area of expertise included developing corporate knowledge management initiatives directly impacting corporate governance, supported by systems utilizing complex intellectual property information and data management. Warren previously served as editor-in-chief for Knowledge Management magazine. He has been a consultant with clients including the White House Office of Science and Technology, for which he helped plan an eco-industrial park; the US EPA Futures Group and the US Department of Energy. He authored A Blueprint for Greening Affordable Housing, the first substantial work on the subject (Global Green USA, 1999) and he co-authored San Francisco's influential Sustainability Plan, which was adopted by the city in 1997. The section he co-authored ("Economy and Economic Development") was directly cited in San Francisco's 1999 and 2003 green building ordinances.

How Green is Your City?, which Warren authored, was published in 2007 by New Society Publishers, and he contributed a chapter to Growing Greener Cities: Urban Sustainability in the 21st Century published in 2008 by the University of Pennsylvania Press and the Wharton School of Business. Warren is on the Boards of The Climate Change Center and the Korea Green Foundation. He has an MFA from Naropa University and a Bachelor of Science degree from University of Illinois at Urbana-Champaign. He is a Fellow with The Post Carbon Institute.

What Others Say About Warren and his work:

"NRDC has chosen sustainable communities as one of its strategic priorities for the next five years. Karlenzig’s advice seems right on target as we further refine that agenda."
--F. Kaid Benfield, NRDC Smart Growth Director

"Warren is the creator and lead author of SustainLane's US City Rankings. I've been in the sustainability business for 15 or 20 years now. And these types of rankings have been tried dozens and dozens of times and this in my opinion is the best one in terms of its rigor and how much care they've given to apples-to-apples comparisons. A lot of that comes from Warren's commitment."
--Steve Nicholas, Seattle Sustainability Director

"How Green is Your City? is the first systematic report card measuring city quality of life combined with resource impacts....I believe the methodology will become international, and none too soon."

--Paul Hawken, author of Ecology of Commerce
and Blessed Unrest

"How Green is Your City? provides the first benchmark quantifying and qualifying management innovation and the performance of American cities as they seek to define what sustainability is."

--Hunter Lovins, Founder, Natural Capitalism, Inc.;
   co-author of Natural Capitalism

"Warren is one of the country's leading experts on sustainable planning. He has been instrumental in helping the California Department of Conservation choose our recycling communities using sustainability criteria. I have found his work to be really helpful, thoughtful and thorough."

--Bridgett Luther, Director, California Dept. of Conservation

Allison has consulted to the World Bank and USAID on international environmental projects. She is a LEED Accredited Professional and a board member of the International Sustainability Indicators Network. Allison is an Advisory Board member for the Business Council on Climate Change. Allison holds a Bachelor of Science in Environmental Science from Rutgers University and Masters in Urban and Environmental Public Policy from Tufts University.

After returning stateside Ken decided to start a restaurant grease collection company to produce biodiesel only to join an existing startup with like-minded people. He sold his last remaining car in 2006. Ken's current side projects include operating a pedicab business in downtown Oakland and setting up organic gardens.

Ken earned his Bachelor of Arts degree at the University of California at Berkeley. He is currently on the board of Urban ReLeaf, an urban forestry research and tree planting organization based in Oakland.

Partners

Mr. Daniel Zhu has been serving in clean tech strategy and investment advising and sustainability management fields for over 15 years. Since 2000, Daniel has formed a consulting firm to provide strategic and investment consulting to Chinese and foreign cleantech companies in the fields of solar, wind energy, biomass, waste to power, energy efficiency, green buildings, LED, new material, electrical cars, etc. Daniel has been advising leading foreign eco-related funds, e.g. funds invested in by the Gates Foundation, Rockefeller Foundation, IFC, as well as Tsing Capital regarding selecting and managing Chinese cleantech enterprises. As a China chief representative for the consulting and EPC arm of Waste Management Inc, a Fortune 500 company based in USA starting 1995, Daniel worked to develop waste to power projects, wastewater treatment projects, and environmental auditing. Daniel has been involved in eco related non-profit organizations in China, e.g. Joint US-China Collaboration on Clean Energy, China Greentech Initiative, Shanghai Society on Econological Economics, and Econet. Daniel has been a public speaker on various cleantech and clean energy finance forums in New York, Hong Kong, Beijing, Shanghai, Guangzhou, Xiamen, Hangzhou, Nanjing, etc. Daniel received his BA in Economics in Zhejiang University and remained as a faculty member in Zhejiang University in Finance. Daniel earned his MA in Indiana University.

Vijay Kanal, Managing Principal and Chief Consultant of Kanal Consulting, started his firm in 2003 after a 15+ year career at leading management consulting firms and technology corporations. His consulting experience spans the globe, including assignments in several European countries and parts of Asia. Kanal Consulting offers strategy and marketing services, helping clients grow sustainably.

Building on its work in sustainability since 2007, the firm has expanded its portfolio of services, and recently completed a Best Practices study on sustainability management with 25 leading firms in technology, consumer goods, and Media & Entertainment. Participants included Cisco, Dell, HP, P&G, Disney, and 20 other similar blue-chip companies. Several topics were addressed from strategy to communications, with the intent to help companies become more sustainable throughout their value chain.

Earlier in his career, Vijay was a senior consultant at Deloitte Consulting, and later at A.T. Kearney. Vijay also spent a distinguished career at Sun Microsystems where he worked in a variety of executive roles in the marketing and sales organizations.

Vijay holds an MBA from the Wharton School, a Bachelor's in Electrical Engineering, and is a certified management consultant, awarded to less than 1% of professionals in this field.