The San Francisco Giants have promoted Zack Minasian Jr. to General Manager, with Buster Posey serving as President of Baseball Operations. Minasian, who has been with the team since 2019 and was previously Vice President of Professional Scouting, brings a wealth of experience from his time in the Brewers organization. As the primary lieutenant to Posey, he will be responsible for overseeing baseball operations and making key decisions for the team.

Source: https://www.cbssports.com/mlb/news/giants-promote-zack-minasian-jr-to-gm-new-boss-will-be-second-in-command-under-buster-posey/