Nikolai Tsyganenko received his M.S.  and Ph.D.  in Geophysics at the University
of St.  Petersburg in 1970 and 1973, resp.  From 1973 to 1992 - staff scientist
at the Institute of Physics of the same University.  Area of research:  modeling
the geomagnetic field, physics of the magnetospheric currents, dynamics of
charged particles in the geospace.

In 1992 came to the Laboratory of Extraterrestrial Physics to continue research
on the data-based modeling of the magnetosphere, as an NRC fellow (1992-1994),
Chief Scientist with Raytheon ITSS Corporation (1994-2001), Senior Research
Scientist with USRA (2001 - present).