Drew Houston - Dropbox ์ธํฐ๋ทฐ Elon musk - Elon musk on fear ์ธ์คํ๊ทธ๋จ ์ด์ฐฝ๊ธฐ ๋ชจ์ต Mike Krieger - Instagram Co-Founder & CTO Mark zuckerberg - Harvard 2017 Grab - Anthony Tan Instagram - Kevin systrom