Ruth Handler Ruth Handler Ruth Marianna Handler (née Mosko; November 4, 1916 – April 27, 2002) was an American businesswoman and inventor. She served as the president of the toy manufacturer Mattel Inc., and is best remembered for inventing the Barbie doll, although the doll's design was created by missile engineer-turned-toy designer Jack Ryan. Handler was born as Ruth Marianna Mosko in Denver, Colorado, to Polish Jewish immigrants Ida Mosko (née Rubenstein) and Jacob Mosko. She married her high school boyfriend, Elliot Handler, and moved to Los Angeles in 1938. Her husband decided to make their furniture out of two newfound types
Sheryl Handler tool with which to develop software programs for artificial intelligence. Handler helped found the Thinking Machines Corporation, where she served as CEO until 1992. After the Thinking Machines Corporation went bankrupt in 1995, Handler and several other former employees founded Ab Initio Software. Sheryl Handler Sheryl Handler is an American businesswoman recognized as one of the founders of Thinking Machines and is the founder and current CEO of Ab Initio. Handler attended Case Western Reserve University for interior design and received her master's degree in landscape architecture from Harvard University. Handler had previously participated in the start-up of the Genetics