From 2009 to 2011, Dr. Klein served as CEO and co-founder of FP Generation. This company raised $3 million in venture capital to develop a fusion concept, in Boston. In our interview, we discuss his time developing the concept, raising funding, running the company and the experience gained when the effort failed. Dr. Klein received a PhD in plasma physics from Columbia University in 2006 and worked on the Joint European Torus, as a post-doc at MIT, until 2009.