Jiri NAVRATIL graduated as Diploma Engineer from the Czech Technical
University at Prague, Faculty of Electrical Engineering in 1972, 
He obtained his PhD. from Czech Technical University at Prague in 1982.
His thesis was entitled: "The new evaluating methods of the behavior 
interactive systems".  He has been a permanent employee of the Computing 
and Information Center of CTU Prague since 1974. In last position he was 
head of the group responsible for networking and supercomputing.
He  worked for several years as a Scientific Associate at CERN.
He was member of the team which created the communication
network for LEP in 1989 (Large electron-positron accelerator) and later,
he worked in the communications group  of IT division  doing external
network monitoring.  In 1992 and 1994 he worked as Guest Professor
at KEK (ACC.Div) in the control group which was responsible for
running the Tristan accelerator and building new control system for  
the B-Factory. Since 2001 he has beeen working as visiting scientist 
at SLAC on the INCITE project supported by DOE.