Professional Background:

(1993 - 1996) Research Assistant at the Texas Center For Superconductivity

(1996 - 1998) Texas Instruments, Inc, in the Failure Analysis Laboratory.

(1998 - 1999) full-time position at Texas Instruments as a Digital Signal Processor (DSP) Applications Engineer

(1999 - 2001) research in applied Plasma Propulsion for deep space applications

(2001 - 2009) a Flight Controller for the Space Shuttle in the Misson Control Center at NASA Johnson Space Center in Houston, TX

(2009 - Present) focus on MathTutorDVD.com full time