Jacob "Kobi" Alexander (Hebrew: ???? (????) ????????; born May 4, 1952) is an Israeli-American businessman.
He is the founder and the former CEO of New York-based Comverse Technology.
In 2006, he was charged with multiple counts of fraud and related offenses pertaining to irregularities in trading of Comverse stock; he subsequently fled to Namibia, a nation which has no extradition treaty with the US.