Mike Obstgraten FromHenderson, NV AppearanceFile:Flag USA.png October 3, 2016 Money won Mike Obstgraten is a standardized test coach and taker from Henderson, Nevada. He appeared on the U.S. version of Who Wants to Be a Millionaire? during its fifteenth season and won $20,000. He had mentioned that his Plus One, Jeff, is a former Millionaire contestant.