John Lang is the director of operations for Eastern Energy Systems, and steers RAndD. He has a degree in Mathematics from Berkeley California, and a heavily involved background in the applicative sciences..
Seth Leitman is the president and managing member of the ETS Energy Store, LLC (www.etsenergy.com) which sells organic, natural and sustainable products for businesses, homes and families. He is the bestselling author of Build Your Own Electric Vehicle, Second Edition, and the consulting editor for a McGraw-Hill series of environmentally friendly technology books called the Green Guru Guides. Seth created and maintains a green living blog (www.greenlivingguy.com).
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