A federal jury convicted a Hawaii man yesterday for his role in a more than a decade-long scheme to defraud investors of Semisub Inc. and Semisub LLC (collectively, “Semisub”) of over $28 million. Curtiss E. Jackson, 71, of Honolulu, was Semisub’s CEO in addition to holding other corporate positions and fraudulently solicited investments in Semisub. Jackson and his co-conspirator falsely told investors for years that the vessel, Semisub One, was weeks and months away from beginning operations…