Sagi Haviv (/səˌɡiː həˈviːv/ sə-GHEE hə-VEEV; born 1974 in Israel) is a New York-based 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, L.A. Reid's Hitco Entertainment, Leonard Bernstein at 100, the John D. and Catherine T. MacArthur Foundation, the Milwaukee Institute of Art & Design, the International Tchaikovsky Competition, and Women's World Banking.