John Joseph Fisher is an American businessman, the billionaire owner of the Oakland Athletics (MLB) and an heir to the Gap Inc. fortune. His wealth is generational, tied to the global retail giant founded by his parents, Donald and Doris F. Fisher. Born in 1961, his family is Jewish.

Fisher received an elite education, attending Phillips Exeter Academy and graduating from Princeton University in 1983 with a degree in History (writing his senior thesis on Holocaust survivors). He earned an MBA from Stanford University School of Business. His career is defined by generational stewardship, private equity investment, and sports ownership.

• Gap Inc. (Family Heir): The foundational source of his wealth, tied to the global retail giant (owning Gap, Old Navy, and Banana Republic).
• Oakland Athletics (MLB) (Majority Owner): The Major League Baseball franchise he acquired in 2005, a tenure marked by controversy over the team's relocation to Las Vegas (announced in 2023).
• Pisces (President): He is the President of the Fisher family's investment management company (Pisces).
• Sports Ownership: He also has stakes in the San Jose Earthquakes (MLS) and Celtic (Scottish Premiership).

John Fisher's strategic genius was his early pivot to sports ownership. In 1992, he purchased a stake in the San Francisco Giants (with his father), helping to prevent the team's relocation to the Tampa Bay area. He successfully sold that stake and acquired the Oakland Athletics (MLB) in 2005 (gaining full ownership in 2016).

His career as A's owner has been marked by controversy: in April 2023, he announced plans to build a new stadium in Las Vegas, ending negotiations with the City of Oakland—a move facing intense scrutiny from fans and critics. His wealth is secured by the colossal, long-term, stable profitability of the Gap Inc. empire and the appreciation of his sports franchises.

John Fisher's social impact is structural, stemming from the Fisher family's extensive philanthropic efforts (supporting education and conservation). His career is tied to the economic impact of the Gap Inc. retail empire. His early work included fundraising for President Ronald Reagan and working in the mailroom at the Republican National Committee.

His structural contribution is tied to his role as a major sports owner, although the Oakland A's relocation controversy has severely impacted his civic reputation in the Bay Area.

John Fisher maintains the professional, composed style of a corporate executive. His attire is consistently formal and high-quality, favoring tailored suits. His aesthetic reflects stability and immense corporate authority, typical of a generational heir in the retail and sports industries.

Residing in San Francisco, California, his luxury is the immense security and financial reward derived from his multi-billion dollar fortune. His life is dedicated to investment management, sports ownership, and the long-term stewardship of the Fisher family assets.