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Hannu Helin has worked as a Designer at Neste Jacobs Oy and NESTE ENGINEERING SOLUTIONS OY. Hannu was a Design Engineer at Comatec and also worked as a Designer at Sweco.

Hannu Helin attended Jyväskylän teknillinen oppilaitos from 1983 to 1987, but there is no information available on the degree or field of study they pursued during that time.