Luciano Grostein Huck (born September 3, 1971) is a Brazilian TV host and entrepreneur. Since 2000 he has hosted the TV show Caldeirão do Huck (lit. 'Huck's Cauldron'), aired every Saturday on Brazilian network Rede Globo, and also broadcast to 114 countries, via Globo International.Huck is also the founder of Joá Investments, an investment fund focused on technology and lifestyle start-up companies, that only makes partnerships with companies committed with sustainability and with the preservation of the environment. Among Joá's investments, there are Cataratas, that focus on sustainable tourism, Tembici, a bike-sharing and bike-parking system, and also Agrade Investments that works with start-ups in the USA.