Complex sentence: Years later on June 29,2002, he founded, created, and was the CEO and President of the TKO Radio Network and amassed over 200 markets from coast to coast and around the world with original programming all hosted by himself.
Split into simpler sentences: Years later on June 29,2002, he founded, created, and was the CEO and President of the TKO Radio Network. There Kent amassed over 200 markets from coast to coast and around the world with original programming all hosted by himself.