I have engineered computer software dating back to the mid 1970s, including mainframes and the first 8 bit micro systems, to PCs, to all manner of custom controllers and systems. I've implemented (...view moreI have engineered computer software dating back to the mid 1970s, including mainframes and the first 8 bit micro systems, to PCs, to all manner of custom controllers and systems. I've implemented (and managed groups of Engineers who implemented) operating systems, embedded software, and PC software. I have been in charge of Engineering processes and Configuration Management, and now own my own software firm with sales worldwide.view less