There are only four black Fortune 500 CEOs. Here they are.

Company: TIAA (Teachers Insurance and Annuity Association of America).

Year appointed: 2008

Before joining TIAA in April 2008, Ferguson was head of Swiss Re, an insurance company. From 1984 to 1997, he was also an Associate and Partner at the prestigious consulting firm McKinsey. Ferguson was also previously vice chairman of the Board of Governors of the US Federal Reserve System.

Source: TIAA

Company: Merck & Co., a pharmaceutical company

Year appointed: 2011

Frazier joined Merck & Co. in 1992, and various positions, including general counsel and president. Before joining the company, he had been a partner with Drinker Biddle & Reath, a Philadelphia-based law firm.

Source: Merck

Company: Lowe's, a retail home improvement store

Year appointed: 2018

As Áine Cain of Business Insider previously reported, Ellison started his career as a part-time security guard at a Target in Memphis, earning $4.35 an hour. He spent 15 years rising through the ranks, and moved to Home Depot in 2002, ultimately being promoted to executive vice president of US stores in 2008. He held that position until until he became the CEO of JC Penney in 2015. In 2018, he became CEO of Lowe's.

Source: Business Insider

Company: Tapestry, a luxury fashion holding company that is also the parent company of Coach New York, Kate Spade New York and Stuart Weitzman.

Year appointed: 2019

Zeitlin is also the founder of private investment firm Keffi Group, which he founded in 2006. Before that, he spent 20 years working at Goldman Sachs, where he held various positions, including global chief operating officer of the investment banking businesses. In 2006, Zeitlin was elected to Tapestry's board of directors, and he has been chairman of the board since 2014.

Source: Tapestry