Doug Widney is a San Francisco Bay Area-based Electronic Greentech Consultant. He specializes in high-power LED circuit design and has built arrays up to 1.5 kilowatts for various customers. He is a contributing writer for Greentech Media on LEDs, vehicles, and building efficiency. A 30-year Silicon Valley veteran of companies such as Nokia and Quantum, he holds several U.S. patents. He is LEED V2.2 certified by the U.S. Green Building Council.