R oy Carroll II is a self-made American billionaire who is the founder and CEO of The Carroll Companies, a major private real estate development firm based in North Carolina. He started his business career at a young age and founded his own company in the 1980s. He has since built it into a massive and highly diversified real estate and investment empire with a portfolio of properties across the Southeastern United States.

The Carroll Companies has a large portfolio of multifamily apartment communities, self-storage facilities, and commercial properties. He has also diversified his interests into a wide range of other businesses, including a high-end marina in Fort Lauderdale. He is known for his hands-on management style and for his ability to identify and capitalize on opportunities in the real estate market. His wealth is derived from his sole ownership of the vast, privately held company he founded.