▁University ▁in ▁ 1 9 8 1 ▁and ▁a ▁master ' s ▁degree ▁in ▁elect rical ▁engineering ▁from ▁Stan ford ▁University ▁in ▁ 1 9 8 2 . ▁From ▁ 1 9 8 3 ▁to ▁ 1 9 8 8 ▁Ze id man ▁held ▁engineering ▁positions ▁design ing ▁computer ▁ch ips ▁at ▁four ▁companies : ▁Sign et ics ▁( A pril ▁ 1 9 8 3 ▁– ▁December ▁ 1 9 8 4 ), ▁R OL M ▁Corporation ▁( J anu ary ▁– ▁August ▁ 1 9 8 5 ), ▁American ▁Super comput ers ▁( Se ptember ▁– ▁December ▁ 1 9 8 5 ), ▁and ▁Tel est ream ▁( J anu ary ▁ 1 9 8 6 ▁– ▁March ▁ 1 9 8 8 ). ▁In ▁May ▁ 1 9 8 6 ▁Ze id man ▁founded ▁the ▁company ▁Z ▁Enter pr ises , ▁which ▁produces ▁novel ty ▁items ▁from ▁Sil icon ▁Valley ▁such ▁as ▁post ers , ▁m ugs , ▁nap kins ▁and ▁T - sh ir ts . ▁The ▁company ▁still ▁oper ates ▁today ▁under ▁Ze id man ' s ▁ownership . ▁ ▁In ▁October ▁ 1 9 8 7 ▁Ze id man ▁founded ▁the ▁company ▁Ze id man ▁Cons ult ing , ▁which ▁provides ▁hardware ▁and ▁software ▁design ▁services , ▁engineering ▁support ▁and ▁expert ▁witness es ▁for ▁high - tech ▁lit ig ation . ▁The ▁company ▁still ▁oper ates ▁today ▁with ▁Ze id man ▁as ▁president . ▁Ze id man ' s ▁work ▁at ▁Ze id man ▁Cons ult ing