Steve Blank is a retired serial entrepreneur with over 30 years of experience in high technology companies and management. He is a Consulting Professor at Stanford in the Graduate School of Engineering STVP Program. Steve has been a founder or participant in eight Silicon Valley startups since 1978. His last company, E.piphany, started in his living room. His other startups include two semiconductor companies (Zilog and MIPS Computers), a workstation company (Convergent Technologies), a supercomputer firm (Ardent), a computer peripheral supplier (SuperMac), a military intelligence systems supplier (ESL) and a video game company (Rocket Science Games). Steve is on the board of CafePress.com, an on-line marketplace, and IMVU, a 3D IM social network. Steve was appointed by Governor Arnold Schwarzenegger to the California Coastal Commission and is the Chairman of Audubon California and on the board of the Peninsula Open Space Trust (POST.) His Google Tech talk, "The Secret History of Silicon Valley" (available on YouTube) is one of the definitive views on the early history of innovation in Silicon Valley. Steve teaches entrepreneurship and a methodology of managing marketing, sales and business development in high technology startups. His course text "Four Steps to the Epiphany" is the definitive work on Customer Development and is one of the foundations of Lean Startups.