Flex was once married to Monica Joseph. Monica Joseph is a TV producer and talk show host. This married life lasted for few years. His nationality is American and he is of black ethnicity.
As Flex's father was also a renowned name in the music industry, he began his interest in music at a young age. He was just 16 years old when he did DJing at local nightclubs. During his late teens, he worked at Chuck Chillout for WRKS 98.7 Kiss-FM. After he quit Kiss, he worked at 107.5 WBLS-FM for several months. In the early 1980s, he performed at the Vito Bruno's operated nightclubs. After the success of several of his programs, he began mixing and hosting his own show on Hot 97. He also released several mix tapes in 1990s and some of them are titled as The Mix Tape, Vol. 1, The Mix Tape, Vol. IIThe Mix Tape, Vol. III and The Tunnel. From 2005, he has been associated with Ford Motor Company on its auto design. He is also known to customize its product line-up and add exposure to the brand. Ford is about the release its Ford Expedition Sport utility vehicle in 2017. His net worth is $14 million.