Carl Sommer, President of Reliable EDM, has extensive experience in EDM, machining and tool and die making. Sommer started working in a machine shop in 1949 in Brooklyn, NY. He became a tool and die maker, machinist, foreman of a tool and die shop, tool designer, and operations manager for one of the largest tool, die, and stamping shops in Houston. He wrote the 432 page book, Non-Traditional Machining Handbook幸运飞艇有什么办法跟投吗, and with his son, Steve, they wrote Complete EDM Handbook. Reliable EDM was established in 1986.