Who was the gambinos family first boss?

The Gambino family's first boss was Salvatore "Sammy the Bull" Gravano, who rose to power in the 1950s. However, it is important to note that the Gambino crime family was originally established by Carlo Gambino, who became the family's most prominent leader. Carlo Gambino took over the family's leadership in the 1950s and is often recognized as the most significant boss in its history.