Susteen
Hiroyuki Maruyama began their professional career in 1992 as the C.E.O./President of Susteen INC. In 1994, they moved to American Megatreds Inc Japan, where they held the position of CEO/President.
Hiroyuki Maruyama attended The University of Texas at El Paso from 1980 to 1984, where they studied Computer Science.
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