Johan Erik Gullichsen (born 28 June 1936 in Porin maalaiskunta) is a Finnish paper engineer. From 1989 to 1999 he was professor for Pulping Technology at Helsinki University of Technology. He is also a sailor and competed in the 1964 Summer Olympics.
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DPI (Discretional Points Imposed) is the annotation given in race results once the race committee has adjusted the result to reflect a breach in the sailing instructions by the yacht in question.