<ul data-eligibleForWebStory="true">Meta is expected to invest nearly $15 billion in Scale AI, with CEO Alexandr Wang becoming a top-level Meta executive.Wang, a 28-year-old MIT dropout, co-founded Scale AI in Y Combinator's summer 2016 cohort.He became the youngest self-made billionaire at 24 and is estimated to be worth $3.6 billion.Wang has been involved in AI policy discussions in DC and testified before lawmakers on military AI uses.He wrote a letter to Trump outlining ways to advance AI in the US, emphasizing investment and regulation review.Scale AI confirmed Meta's purchase of a 49% stake, valuing the company at over $29 billion.Wang will work on Meta's AI efforts, focusing on the superintelligence arm.