who is he?
He  is an American game show contestant and Internal Revenue Service agent.
John Carpenter (game show contestant)
is an American game show contestant and Internal Revenue Service agent.
who wants to be a millionaire american winner John Carpenter
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John Carpenter (game show contestant) [SEP] Introduction
John Carpenter (born c. 1968) is an American game show contestant and Internal Revenue Service agent. He is the tenth highest-earning American game show contestant of all time. Carpenter is best known for becoming the first top-prize winner on the United States version of "Who Wants to Be a Millionaire". He held the record for the largest single win in United States game show history, until it was broken by Rahim Oberholtzer who won $1.12 million on another U.S. quiz show, "Twenty One". Carpenter was also the first top-prize winner among all international versions of the "Who Wants to Be a Millionaire?" series.