Sagi Haviv (/səˌɡiː həˈviːv/ sə-GHEE hə-VEEV; born 1974 in Israel) is an Israeli-American graphic designer and a partner in the design firm Chermayeff & Geismar & Haviv. Called a "logo prodigy" by The New Yorker, and a "wunderkind" by Out magazine, he is best known for having designed the trademarks and visual identities for brands and institutions such as Discovery, Inc.'s online streaming service Discovery+, the United States Olympic & Paralympic Museum, the US Open tennis tournament, Conservation International, Harvard University Press, and L.A. Reid's Hitco Entertainment, and tech and electric car company Togg.