David Greene is a real estate investor, police officer, and bestselling author who has built a successful investment portfolio while working full-time in law enforcement. As a prominent figure in the BiggerPockets community, he shares practical strategies for building wealth through real estate. Greene is the author of "Buy, Rehab, Rent, Refinance, Repeat" and "Long-Distance Real Estate Investing", where he teaches investors how to scale their portfolios systematically and manage properties remotely. His hands-on experience and straightforward approach have made him a trusted voice for both new and experienced real estate investors seeking financial freedom.