Mitchell Rales (born 1956) is an American billionaire businessman, and a collector of modern and contemporary art. He co-founded Danaher Corporation in 1983 and is the chairman of its executive committee. Rales is one of the Washington, D.C. region's eleven billionaires. In collaboration with his wife Emily Wei Rales, an art historian and curator, he has established Glenstone, a private museum in Potomac, Maryland, which presents exhibitions of their collection of art. As of October 2021, his net worth was estimated at US$7 billion.
