Who owns the world’s second largest private yacht, Eclipse?

Eclipse is owned by Roman Abramovich, a Russian billionaire known for his wealth and investments in various industries, including oil and steel. The yacht is notable not only for its size but also for its luxurious features and advanced technology, which highlight Abramovich's status as one of the world’s wealthiest individuals. This ownership fits well with Abramovich’s lifestyle and public persona, as he has been linked to extravagant purchases and investments.

The other individuals mentioned in the choices, while also wealthy and involved in various industries, do not own Eclipse. Jeff Bezos, the founder of Amazon, Richard Branson, the founder of the Virgin Group, and Bill Gates, co-founder of Microsoft, each have their own ventures and interests but are not associated with this particular yacht, making Abramovich the correct answer.