I have been writing software since 1980 on a PDP-11/70 computer. I have worked on mainframes, mini computers, PCs and mobile devices. My past companies include: Alpine Software Technological Computer Innovations Middlepark Software I have worked and contracted at over 100 companies since 1988. In 1994, I created Twinkle Bulbs, that created flashing holiday lights around the Windows desktop. At its peak it was installed on over 3 million computers. ©