*He was the Groupware Evangelist at ICL Personal Systems Oy.
*He was the Groupware Evangelist at ICL Personal Systems Oy.
*He was also the E-mail Guru at ICL Data.
*He was also the E-mail Guru at ICL Data.
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*He was a Computer Engineer at Honeywell-Bull and Nokia Electronics Computer Division.
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*He was a Computer Engineer at Honeywell-Bull and Nokia Electronics Computer Division.<ref>[http://fi.linkedin.com/pub/lauri-hirvonen/7/598/5b7 linkedin]</ref>