Allen Gersho is a professor emeritus at UCSB who made significant contributions in the area of signal compression and speech coding.
Gersho received his undergraduate degree in Electrical Engineering at MIT in 1960.
[2] From 1963 until 1980, he was a member of the technical staff in the research division of AT&T Bell Labs before joining UCSB as a professor in 1980.
He took early retirement from UCSB in 1999 and was CEO of SignalCom, Inc from 1996 till 2000 when the company was sold to Microsoft.
Gersho co-authored a text book with Robert Gray on vector quantization that has become a standard reference for that topic.