From LTwiki-Wiki for LTspice

Electronic background, from 1982 to 1989 I was involved into Z80 microprocessor applications design, from 1989 to 1992 I work for military company involved into infield ballistic test measurement. From 1992 to 2000 I was sales manager for test measurement sales company. From 2000 present sales manager and designer of seismic and structural measurement systems, test & measurement and sensors. I have share of the company.