American chief executives of Fortune 500 companies

Marissa Ann Mayer (born May 30, 1975) is an American businesswoman and investor. She is an information technology executive, and co-founder of Lumi Labs. Mayer formerly served as the president and chief executive officer of Yahoo!, a position she held from July 2012. It was announced in January 2017 that she would step down from the company's board upon the sale of Yahoo!'s operating business to Verizon Communications for $4.8 billion. She would not join the newly combined company, now called Verizon Media (formerly Oath), and announced her resignation on June 13, 2017. She is a graduate of Stanford University and was a long-time executive, usability leader, and key spokeswoman for Google (employee #20).

Warren Edward Buffett (;BUFF-itt born August 30, 1930) is an American investor, business tycoon, philanthropist, and the chairman and CEO of Berkshire Hathaway. He is considered one of the most successful investors in the world and has a net worth of over US$85.6 billion as of December 2020, making him the world's fourth-wealthiest person.

Timothy Donald Cook (born November 1, 1960) is an American business executive, currently serving as the chief executive officer of Apple Inc. Cook previously served as the company's chief operating officer under its co-founder Steve Jobs.

Bruce E. Karatz (born October 10, 1945) is an American businessman and philanthropist. He is noted for his role as Chairman and CEO of KB Home, and for his philanthropic efforts to help re-build both Los Angeles after the L.A. Riots and New Orleans following Hurricane Katrina. During the 20 years Karatz served as CEO, KB Home grew revenues from $491 million to $11 billion and grew annual home deliveries from 4,500 homes in 1986 to over 39,000 homes in 2006. Karatz now operates BK Capital LLC and is based in Beverly Hills, California. In March 2013, Karatz was a recipient of The Malibu Times' 23rd Annual Dolphin Awards.

John Francis "Jack" Welch Jr. (November 19, 1935 – March 1, 2020) was an American business executive, author, and chemical engineer. He was chairman and CEO of General Electric between 1981 and 2001. During his tenure at GE, the company's value rose 4,000%. In 2006, Welch's net worth was estimated at $720 million. When he retired from GE he received a severance payment of $417 million, the largest such payment in business history.

Satya Narayana Nadella (born 19 August 1967) is an Indian-American business executive. He is the chief executive officer (CEO) of Microsoft, succeeding Steve Ballmer in 2014. Before becoming CEO, he was the executive vice president of Microsoft's cloud and enterprise group, responsible for building and running the company's computing platforms.

Brian L. Roberts (born June 28, 1959) is an American billionaire businessman, and the chairman and chief executive officer (CEO) of Comcast, an American company providing cable, entertainment, and communications products and services which was founded by his father, Ralph J. Roberts.

Indra Nooyi (née Krishnamurthy; born October 28, 1955) is an Indian-American business executive and former chief executive officer and chairperson of PepsiCo.

Leslie Herbert Wexner (born September 8, 1937) is an American billionaire businessman, the founder and chairman emeritus of L Brands (formerly Limited Brands). Wexner grew a business empire after starting The Limited, a clothing retailer with a restricted selection of profitable items, and later expanded his holdings to include Victoria's Secret, Abercrombie and Fitch, Express, and Bath & Body Works. Wexner announced, in February 2020, that he was transitioning from CEO of L Brands into the role of chairman emeritus.

Jeffrey Robert Immelt (born February 19, 1956) is an American business executive currently working as a venture partner at New Enterprise Associates. He stepped down as CEO of the U.S.-based conglomerate General Electric (GE) on August 1, 2017 and retired from his position as chairman of the board of GE on October 2, 2017. He was selected as GE's CEO by their board of directors in 2000 to replace Jack Welch upon Welch's retirement from GE. Previously, Immelt had headed up GE's Medical Systems division (now known as GE Healthcare) as its president and CEO.