Q: Passage: Once Upon a Time in Shaolin is a double album by the New York hip hop group Wu-Tang Clan that was limited to a single copy sold in 2015. It is the most expensive single album ever sold. One double-CD of the album, which was recorded in secret over six years, was pressed in 2014 and stored in a secured vault at the Royal Mansour Hotel in Marrakech, Morocco. The album was auctioned to the highest bidder through auction house Paddle8 in 2015. It was subsequently revealed that the winning bid of $2 million was placed by American businessman Martin Shkreli. A legal agreement with the purchaser states that the album can not be commercially exploited until 2103, although it can be released for free or played during listening parties.

Question: Based on this passage, the guy who bought the wu tang album?
Let's give stream of consciousness below
The important part for answering this question is: It was subsequently revealed that the winning bid of $2 million was placed by American businessman Martin Shkreli. So the answer is Martin Shkreli.