Kat Dey and Phoebe Yu are the co-founders of Ettitude, a material science social impact company and direct-to-consumer sustainable lifestyle brand best known for its bedding, bath and sleepwear made from their proprietary CleanBamboo® fabric. Ettitude has raised $6.5m, earned tens of millions of dollars in revenue and been named twice among the Inc. 5000 fastest-growing private companies in the US. Phoebe, the CEO, previously built two successful international trade and sourcing businesses, and Kat, was the co-founder and co-CEO of gourmet food subscription business Try the World.